Many memories of old times were by the conversation we had during the get-together.
A. called on
B. called in
C. called up
D. called for
网友回答
A. called on
B. called in
(答案→)C. called up
D. called for
解析：考查词组辨析：A. called on号召，拜访某人B. called in召集C. called up唤起，使想起D. called for要求，需要，句意是：以前的很多记忆是在聚会时的谈话唤起的。选C。