问题标题:
Inordertogainabiggershareintheinternationalmarket,marrystate-runcompaniesarestriving___theirproductsmorecompetitive.AtomakeBmakingCtohavemadeDhavingmade
问题描述:

Inordertogainabiggershareintheinternationalmarket,marrystate-runcompaniesarestriving___theirproductsmorecompetitive.

AtomakeBmakingCtohavemadeDhavingmade

马成良回答:
  选A   stivetodosth指努力做某事;这里没有完成式的意思,故选A
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