In order to gain a bigger share in the international market,marry state-run companies are striving ___ their products mo

问题描述:

In order to gain a bigger share in the international market,marry state-run companies are striving ___ their products more competitive.
A to make B making C to have made D having made

选A
stive to do sth 指努力做某事;这里没有完成式的意思,故选A