The first English settlers to establish a permanent colony in America did it not at Plymouth but along the shore of the James River west of Chesapeake Bay.
The first English settlers to establish a permanent colony in America did it not at Plymouth but along the shore of the James River west of Chesapeake Bay.
A it not at Plymouth but
B so not at Plymouth but
C not at Plymouth but instead
D not at Plymouth but did so
E it not at Plymouth but rather
这道题答案是B,我选A
因为我认为这里的 did 指代前面的establish,那么这里的it 可以明确表明是 a permanent colony了啊?
为什么要用do so呢?do so 不是模糊的么?