A new tax law,____ the use of smaller engines in vehicles in vehicles to reduce pollution and oil
问题描述：
A new tax law,____ the use of smaller engines in vehicles in vehicles to reduce pollution and oil
dependence,is under consideration.
A encourages B to encourage C encouraged D encourage
应该用encouraging,通常不定式作目的状语不能有逗号隔开,为什么本题选B呢?
答
应该用encouraging,我也是这样想的