Thediscussionalivewhenaninterestingtopicwasbroughtin.A．wascomingB．hadcomeC．hascomeD．came

Question

The discussion _______ alive when an interesting topic was brought in.

A．was coming	B．had come
C．has come	D．came

Answer 1

D

讨论变得有趣是在有了好话题之后，所以B项错；come alive是瞬间性的，所以A项错；如选C项，when应改为since。