Be careful that a good name of a product doesn’t mean good quality of it.A. alternatively

问题补充：

Be careful that a good name of a product doesn’t mean good quality of it.

A. alternatively

B. approximately

C. obviously

D. necessarily

答案：

A. alternatively

B. approximately

C. obviously

(答案→)D. necessarily

解析：alternatively二者择一；approximately大约；obviously明显地；necessarily必定地。句意：要小心，一个产品名字好听不一定产品就质量好。根据句意故选D。