To answer this question, you need to understand character manipulation functions. Let's go through each option to understand why it is correct or incorrect:
Option A) TRIM - This option is correct because the TRIM function is used to remove leading and trailing spaces from a string.
Option B) REPLACE - This option is correct because the REPLACE function is used to replace a specified substring with another substring in a string.
Option C) TRUNC - This option is incorrect because the TRUNC function is used to truncate a number to a specified number of decimal places.
Option D) TO_DATE - This option is incorrect because the TO_DATE function is used to convert a string to a date value.
Option E) MOD - This option is incorrect because the MOD function is used to find the remainder of a division operation.
The correct answers are Option A) TRIM and Option B) REPLACE. These options are correct because they are character manipulation functions used to modify strings.