Driving on these roads ________ be very dangerous, especially when it is rainy or snowy.

Driving on these roads ________ be very dangerous, especially when it is rainy or snowy.

A.should

B.must

C.can

D.shall

答案及解析： C

解析：

can在此表示“有时可能会”，其他几项皆不符合题意要求。