2. In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.
A、there
B、thick
C、thank
D、thirty
24.
A、records
B、positives
C、satisfactions
D、points
The sweater she received in the end differed ____ the one she had seen online.