—I would rather _______ you the secret right now.  

—Why not?     [ ]

A. don’t tell              

B. not to tell  

C. not tell                          

D. didn’t tell

A型萎缩性胃炎

A．胃黏膜萎缩
B．恶性贫血
C．两者皆有
D．两者皆无