—How much is too much for a schoolbag?
—Experts say students should carry more than 10 or 15 percent of their body weight.
A. no
B. not
C. any
D. far
网友回答
(答案→)A. no
B. not
C. any
D. far
解析：no more than 不超过；not more than至多； 不超过； 不比 ... 更 ...; any more than至多, 仅仅, 不超过; far more是许多，太多。句意：书包多重才太多？ 专家说学生背的书包不得超过他们体重的百分之10到15。