（）sculpture is to a block of marble,education is to a human

（）sculpture is to a block of marble,education is to a human soul.A That B which C What D where
选择C 为什么?

“教育之于心灵,犹如雕刻之于大理石.”
what A is to B,C is to D. 是个固定句式,意思就是“C对D就好像A对B的意义一样”.