The phrase "keeps sellers on their toes" in the passage mostly means "______". A.prevents sellers from selling new products B.forces sellers to go bare-footed C.makes sellers responsive to any changes D.allows sellers to stand on their own feet
Đáp án đúng: C Giải chi tiết:Thành ngữ: keep sb on their toes (= to make sure that sb is ready to deal with anything that they are not expecting). "keep sellers on their toes" = makes sellers responsive to any changes: làm cho khách hàng sẵn sàng đáp lại bất kì thay đổi nào.