李明和小兵对下列说法把握不定,争议不休,你认为正确的是()
下列关于生物学实验的叙述,正确的是( )
A. Guess!
B. When is your birthday?
C. Yes. My birthday is on Dec. 2nd. It is my eleventh birthday this year. What about you?
D. Is your birthday in December?
E. My birthday is on Sept. 4th.
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