请教大全564

1.        Opened in 1683, the Ashmolean was the first public museum in Great Britain, while earlier the Bodleian has been the first truly public library.

(A) while earlier the Bodleian has been

(B) where the Bodleian earlier is

(C) just as earlier the Bodleian had been

(D) as the earlier Bodleian has been（C）

(E) the Bodleian earlier being

请教C中earlier  the Bodleian 的用法

just as 后面接句子，而且时态had been正确，表示发生在1683之前, 这句话其实就是：

the A was the first publick museum in 1683, just as B had been the first public library earlier.