【题目】The food is to the blood ________ reading is to the mind.
A.where
B.which
C.that
D.what

【答案】D
【解析】考查固定句型。句意：食物对于血液就像阅读对于心灵一样。固定句型A is to B what C is to D.表示“A对于B正如C对于D一样。”故选D。