一个合数至少有3个不同的因数．______．
合数至少含有3个以上因数，
所以一个合数至少有3个不同的因数的说法是正确的；
故答案为：正确．
唐朝时期诗歌繁荣的主要原因有哪些？
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Some friends tried to settle the quarrel between Mr and Mrs Smith without hurting the feeling of _______, but failed.
A．none
B．either
C．all
D．neither
