To answer this question, we need to consider the given system where each person is assigned a number of points based on the number of syllables in their name.
Given:
Susan = 10 points (2 syllables)
Arabella = 20 points (3 syllables)
Jim = 5 points (1 syllable)
Neal = 5 points (1 syllable)
Richard = 10 points (2 syllables)
Now, let's consider Jennifer.
Jennifer has 3 syllables in her name, so according to the given system, she would receive 3 points.
Therefore, the correct answer is:
D) Jennifer is fifteen - This option is incorrect because Jennifer would receive 3 points, not 15 points.