The boy was sitting his mother his back the door.A. next to…with…toB. nearly…of…agains

问题补充：

The boy was sitting his mother, his back the door.

A. next to…with…to

B. nearly…of…against

C. close to…with…on

D. near…in…towards

答案：

(答案→)A. next to…with…to

B. nearly…of…against

C. close to…with…on

D. near…in…towards

解析： with his back to the door是with的复合结构，意为“背向着门”。