Calculations,whichareastronomicallyexact,havebeenmade()withtheuseofcomputers.A.possibleB.itpossibleC.possiblyD.tobepossible求句子详解

Question

Calculations,which are astronomically exact,have been made ( ) with the use of computers.
A.possible B.it possible C.possibly D.to be possible
求句子详解

Answer 1

选A.
make sth.+ adj.这种用法你应该见过吧,就是使什么东西变得怎么样.我把这个句子的主动语序写一下：
(Somebody) has made calculations possible.
接下去再添上定语和状语：是什么样的calculations,在怎样的情况下变possible的,于是就有了完整的句子：
由于电脑的使用,天文数字的准确计算都已经成为可能.【直译是：有人使它成为可能】
能理解了吗?