2. (3 points) On January 1, 2012, it was a Sunday, and ( )
A. January has 5 Wednesdays, February has only 4 Wednesdays
B. January has 5 Wednesdays, February also has 5 Wednesdays
C. January has 4 Wednesdays, February also has 4 Wednesdays
D. January has 4 Wednesdays, February has 5 Wednesdays
【Analysis】First, calculate the number of days in January 2012 and February 2012, then divide the number of days passed by 7 to find out how many weeks have passed, and how many days are left, and then determine based on the remainder.

【Solution】Solution: Since January 2012 has 31 days, and February has 29 days,
$31 \div 7=4$ (weeks) $\cdots 3$ (days),
$29 \div 7=4$ (weeks) $\cdots 1$ (day),
so January has 4 Wednesdays, and February has 5 Wednesdays.
Therefore, the answer is: D.