Whenwetwothings,weshowhowtheyaresimilar;whenwetwothings,weshowhowtheyaredifferent.

Whenwetwothings,weshowhowtheyaresimilar;whenwetwothings,weshowhowtheyaredifferent.
A.compare,parallel
B.compare,contrast
C.contrast,compare
D.contrast,parallel
正确答案：B