---How much is( )for a schoolbag?---Experts say students should carry( )more than 10 or 15 percent of their body weight.A far more;no B too much;not C very much;any D much more;much选哪个?
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A、C答案跟钱不搭,答案最有可能在B和D之间,选D的话,第二个空格不合理,不需要much more than（要带比10或者15分多得多了的钱）,应该是not more than（要带比10或者15分多的钱）,所以选择B合理一点吧
How much is(too much )for a schoolbag?买一个书包多少钱才算（太贵）呢?carry（not）more than 10 or 15 percent （至少）要带这么多的钱
======以下答案可供参考======
供参考答案1:
A. 书包多重才合适？ 专家说学生背的书包不得超过他们体重的百分之10到15.
far more是许多，太多的意思， no more than 不超过，固定搭配