问题
an is nothing but a concept by now, so ________.
A:great minds think alike
B:make hay while the sun shines
C:the early bird catches the worm
D:don't count your chickens until they are hatched;
B:make hay while the sun shines
C:the early bird catches the worm
D:don't count your chickens until they are hatched;
正确答案是：
