A-A+
Children begin to communicate by making noises
问题详情
Children begin to communicate by making noises ______ they are able to speak a language.
A．before long
B．long before
C．long ago
D．long after请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：本题考查与long构成的副词短语。beforelong不久；longbefore在很久之前；longago老早；longafter很久之后。这句话的意思是：幼儿开始时通过发出声音与人交际，不需多久就会说话了。因而A项beforelong符合句意。
