合同双方当事人依照法律规定行使不安抗辩权的直接法律后果是( )。
A．中止履行合同
B．终止合同
C．恢复履行合同
D．解除合同
参考答案：A
18是6的倍数，也是9的倍数．______．
The winter of 1990 was extremely bad. ______, most people say it was the worst winter of their lives.
A．At last
B．As a result
C．In a word
D．In fact
