People have heard what the President has said; they are waiting to see ________ he will do. 

A．how

B．what

C．when

D．that

《中华人民共和国药典》规定的片剂的质量标准检查项目中，应在包衣前检查片芯的重量差异，符合规定后方可包衣的是

A．糖衣片

B．薄膜衣片

C．肠溶衣片

D．胃溶衣片

E．所有包衣片