问题
选择题
Because farmland__________quickly，the government are considering starting a program to solve the problem.
A．is being lost
B．is lost
C．is losing
D．loses
答案
A
从主句的时态可以判断出,要解决的问题是目前存在的问题;从quickly一词可以看出用进行时态合适,故选A。