Question

— Mr. Lee _ to a student when I entered the classroom this morning.- He is...

— Mr. Lee _ to a student when I entered the classroom this morning.- He is very patient _ _he is young. A．talking; but B．talks; though C．was talking, though D．talked, however

Answer 1

C

过去进行时与though的用法。由when I entered判断前半句为过去的动词（过去进行时），故A,B错，根据题意表达的是“尽管他年轻，但是很有耐心。故选择C。