Do you think it is ___ good manners to hear others' conversations in ___curious manner?         [ ]

A. the；a      

B. /; /      

C. /; a      

D. the; the

调配罂粟壳时，必须凭有麻醉处方权的执业医师签名的（）色处方才可调配

A.绿

B.蓝

C.黄

D.淡红