问题
单项选择题
Which section of the tapeworms has the function of growth
A．the neck
B．the scolex
C．the immature proglottids
D．the mature proglottids
E．the gravid proglottids
答案
参考答案：A
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Which section of the tapeworms has the function of growth
A．the neck
B．the scolex
C．the immature proglottids
D．the mature proglottids
E．the gravid proglottids
参考答案：A