A：﹣4
B：﹣1
C：﹣3
D：+3
1991年，宁夏出土了佛经《吉祥皆至口和本续》九册，经专家鉴定为木活字印本，这是目前世上最古老的木活字印刷品，这个发现改写了关于木活字产生于元代的传统记软．把木活字的发明时间大大地推前了．材料说明（ ）
The boy spent as much time watching TV as he _______ studying.
⑴____ A . ask B . what C . watch D . want
⑵____ A . under B . blue C . up D . but
⑶____ A . window B . how C . now D . down
⑷____ A . school B . good C . book D . football
⑸____ A . would B . about C . trousers D . out
