18. _____ what other students think, I believe Helen is very trustworthy.
(A) In contrast
(B) On the contrary
(C) Even though
(D) Contrary to
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統計: A(57), B(65), C(85), D(535), E(0) #2027058
統計: A(57), B(65), C(85), D(535), E(0) #2027058