关于operate的一道单选题Forthis,she______
For this ,she __________twice A was orated B was operated on C has been operated on D has been operated 答案C 帮忙解释一下,是不是有什么短语在里面呀!
选C。operate on 是做手术的意思，这里要用被动语态，而且有twice，要用完成式，所以选C。整句的意思是：因为这个原因，她已经两次上手术台了。