问题
选择题
Great attention must be devoted ________ agriculture(农业), especially in China,
______ population is the largest in the world.
A．to be developed; whose
B．to develop; which
C．to developing; whose
D．to developing; which
答案
答案：C
devote … to ，to为介词，因此后加doing；第二空考查定语从句，China作population的定语，因此用whose引导。