—Did you meet with the famous space hero,Nie Hai Sheng.
— I had come here earlier.
A:If only
B:If not
C:But for
D:For fear
某品牌服装销售商对各种型号的市场占有率进行调查时,他最应该关注的是服装型号的( )
“龙生龙,凤生凤,老鼠的儿子会打洞”这句谚语揭示的生物现象是( )