McGraw 上的SAT语法题求解

题目

McGraw 上的SAT语法题求解
John Locke was one of the first philosophers to attack the principle of ( primogeniture,the practice of handing the monarchy down ) to the king's first-born son?
A 同上
B .primogeniture ; the practice of handing the monarchy down
C.primogeniture being the practice of handing the monarchy down
D.primogeniture that which handed down the monarchy
E.primogeniture this was the practice of handing the monarchy down
a和c那个对?

答案

A,1.SAT里还没遇到过真题里选being的
2.这里practice是同位语,加being很多余