It was & he was

groundkeeper

------Nat Turner who led a revolt against slavery in Virginia in 1831.

(A)Where was

(B)It was

(C)He was

(D)That he was

answer is B, 笨笨地求教 where is wrong in C&D

waterfrog

it was ..... 是强调句型，原句是Nat Turner led a revolt against slavery in Virginia in 1831，

为了强调领导人，用了it was ... who .....的句型，是固定用法，肯定是it。同理可以强调句子的其他部分，比如It was slavery that Nat Turner led a revolt against in Virginia in 1831, 或者It was Virginia where Nat Turner led a revolt against slavery in 1831.

groundkeeper

many thanks, waterfrog