母乳喂养应持续到孩子（）
A．6个月至1周岁
B．1—1.5周岁
C．1—2周岁
D．1.5—2周岁
参考答案：C
New ideas sometimes have to wait for years before _______. [ ]
A. being fully accepted
B. fully allowing
C. having fully accepted
D. fully allowed
吸收池
