喉结核、喉癌者（）。

A.咳嗽声音低微或无声者

B.咳嗽声音嘶哑者

C.金属音调咳嗽者

D.阵发性连续剧咳伴有高调吸气回声（鸡鸣样咳嗽）者

E.咳嗽、粉红色泡沫痰高度呼吸困难者

— Jenny _____ have kept her words. Why did she change her mind?

— I think she _____ give more explanations to us.

[      ]

A. should; has to

B. should; had better

C. should; should

D. ought to; need