Many countries for example Mexico and Japan a lot of earthquakes.A. haveB. havingC. to

问题补充：

Many countries, for example, Mexico and Japan, a lot of earthquakes.

A. have

B. having

C. to have

D. having had

答案：

(答案→)A. have

B. having

C. to have

D. having had

解析：many countries是句子主语，横线处为句子谓语。