C、They don't experience separation anxiety as dogs do.
D、They respond to their owners’ voices less than dogs do.
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
My friend John didn’t like my suggestion ____ we should share the rent.