It's windy now .I_____close the window.a have b have to c has

It's windy now .I_____close the window.a have b have to c has
It's windy now .I_____close the window.a have b have to c has

It's windy now .I_____close the window.a have b have to c has
选择B
have to表示不得不,必须的意思
翻译：现在正在刮风,我必须要关上窗户了

B 现在刮风了，我不得不关掉窗户。