To answer this question, we need to understand the main point and conclusion drawn from the given paragraph.
The main point of the paragraph is that low-fat ice cream has become a profitable item for ice cream store owners due to increasing health consciousness and a larger selection of tasty low-fat foods.
Now, let's evaluate each option to determine which one is best supported by the paragraph:
A. low-fat ice cream produces more revenue than other low-fat foods - The paragraph does not provide any information about the revenue generated by low-fat ice cream compared to other low-fat foods. Therefore, this option is not supported by the paragraph.
B. ice cream store owners would be better off carrying only low-fat ice cream - The paragraph does not suggest that ice cream store owners should only carry low-fat ice cream. It simply states that low-fat ice cream has become profitable. Therefore, this option is not supported by the paragraph.
C. ice cream store owners no longer think that low-fat ice cream is an unpopular item - The paragraph supports this statement by stating that low-fat ice cream has become a profitable item for ice cream store owners. The fact that it has become profitable suggests that it is no longer considered an unpopular item. Therefore, this option is supported by the paragraph.
D. low-fat ice cream is more popular than other kinds of ice cream - The paragraph does not provide any information about the popularity of low-fat ice cream compared to other kinds of ice cream. Therefore, this option is not supported by the paragraph.
E. consumers are fickle and it is impossible to please them - The paragraph does not provide any information about consumer fickleness or the impossibility of pleasing them. Therefore, this option is not supported by the paragraph.
Based on the evaluation, the best-supported statement is option C, which states that ice cream store owners no longer think that low-fat ice cream is an unpopular item. This is supported by the fact that low-fat ice cream has become profitable for ice cream store owners.
Therefore, the correct answer is C.