Thedoctor____isleavingforAfricanextmonth.为什么选C?
Thedoctor____isleavingforAfricanextmonth.
A.thenurseistalkingtohim
B.whomthenurseistalking.
C.thenurseistalkingto
D.whothenurseistalking
Thedoctor和thenurse怎么可以放到一起