Alibaba has become China’s largest online commercial company earning a profit of 6.42 bi

问题补充：

Alibaba has become China’s largest online commercial company, earning a profit of 6.42 billion yuan in .

A. earns

B. earning

C. earned

D. to have earned

答案：

A. earns

(答案→)B. earning

C. earned

D. to have earned

解析：考查分词，分词做状语，名词Alibaba和动词earn是主谓关系，所以用动名词做状语，所以选B，句子意思“阿里旺旺已经成为网上最大的商业公司，盈利6420000000元”