—Your daughter looks too thin for her height.

—Yes.She is too________about food.There is no way of making her fat.[ ]

A. special  

B. particular

C. unusual  

D. especial

在发音器官中，唇、舌头、软腭、小舌、声带等是能够活动的，叫做（）发音器官；上齿、齿龈、硬腭等是不能活动的，叫做（）发音器官。