15．The population of China to many times what it was in 1949, and most of its population
farmers.
A. have grown; are
B. have grown; is
C. has grown; is
D. has grown; are
网友回答
A. have grown; are
B. have grown; is
C. has grown; is
(答案→)D. has grown; are
解析：可联系答.案.网客服索取。