Owing to the increasing cost of raw materials，we find it difficult to maintain the current pricelevel，__________ to lower our price.
A.let alone B.more than C.only D.despite正确答案A
Owing to the increasing cost of raw materials，we find it difficult to maintain the current pricelevel，__________ to lower our price.
A.let alone B.more than C.only D.despite正确答案A
