Question

The president declared that he would ________ what he had said, that’s to say, the country would not withdraw their troops in Afganastan．

[　　]

A．

break out

B．

keep out

C．

watch out

D．

back out

Answer 1

答案：D
解析：

根据句意可判断出总统原来许诺从阿富汗撤军，但他却宣告不从阿富汗撤军了，即他违背了他的诺言。