补充38

38.Although many art patrons can readily differentiate a good debenture from an undesirable one, they are much less expert in distinguishing good paintings and poor ones, authentic art and fakes.
(A) much less expert in distinguishing good paintings and poor ones, authentic art and
(B) far less expert in distinguishing good paintings from poor ones, authentic art from
(C) much less expert when it comes to distinguishing good paintings and poor ones, authentic art from
(D) far less expert in distinguishing good paintings and poor ones, authentic art and
(E) far less the expert when it comes to distinguishing between good painting, poor ones, authentic art, and

选B.  疑问:

我记得以前总结的用法是sb distinguish  between a and b 某人区分A和B.  sth distinguish A from B. 某物使A区分与B. 记得以前做过这样的题.

这题:主语是人,怎么用from了?

87, 补充-038

The best answer will follow the idiomatic form distinguishing X from Y. The substitution of and for from makes choices A, C, D, and E faulty. Moreover, far is a better modifier of less expert than much is in A and C, when it comes to distinguishing is wordy in C and E, and E fails to acknowledge that two distinctions are being considered – one between good and poor paintings, another between authentic art and fakes. B is the correct answer or this question of middle difficulty.