A-A+
The hardware makers ______.A.have obtained eno
问题详情
The hardware makers ______.
A.have obtained enormous profits from the operation
B.have invested heavily on the research of new products
C.have helped doctors and hospitals gain more experience
D.have successfully proved the effectiveness of their products请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:A