Many little children suffer from kidney stone and the disease is reported _____ by the milk powder they eat. [ ]
A. to cause
B. to be caused
C. causing
D. being caused
答案:B
Many little children suffer from kidney stone and the disease is reported _____ by the milk powder they eat. [ ]
A. to cause
B. to be caused
C. causing
D. being caused
答案:B