_______intheheavysnow,theyattempted_______forhelptodraw...

問題詳情：

_______ in the heavy snow, they attempted _______ for help to draw people’s attention.

A. Being trapped; to shout                 B. Trapped; to shout  

C. Being trapped; shouting                  D. Trapped; shouting

【回答】

B

知識點：非謂語動詞

題型：選擇題