"The plane _______ in a minute. Please fasten your safety belts and remain on your seats until it has

landed," the stewardess announced in a sweet voice.     [ ]

A. is going to land    

B. will land  

C. is about to land  

D. will be landing

男性生殖系统结核在临床上最常见的是（）

A.前列腺结核

B.精囊结核

C.输精管结核

D.附睾结核

E.以上都不是