You can't use the computer.It____.A.was broken down ; B.is wrong; C.is bad; D.has broken down.为什么选D 这道题考点是什么

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Youcan''tusethecomputer.It____.A.wasbrokendown;B.iswrong;C.isbad;D.hasbrokendown.为什么选D这道题考点是什么Youcan''

You can't use the computer.It____.A.was broken down ; B.is wrong; C.is bad; D.has broken down.为什么选D 这道题考点是什么
You can't use the computer.It____.A.was broken down ; B.is wrong; C.is bad; D.has broken down.
为什么选D 这道题考点是什么

You can't use the computer.It____.A.was broken down ; B.is wrong; C.is bad; D.has broken down.为什么选D 这道题考点是什么
选D 这道题考查现在完成时的用法.强调已经发生过的动作对现在的影响.