As we all know smoking too much can cancer and many other illnesses.A. lead toB. build u

问题补充：

As we all know, smoking too much can cancer and many other illnesses.

A. lead to

B. build up

C. result from

D. lie in

答案：

(答案→)A. lead to

B. build up

C. result from

D. lie in

解析：短语辨析。A.导致；通向 B.增进；加强 C. 起因于 D. 在于……。根据题意，众所周知，吸烟太多会导致癌症和其它疾病。故选A。