Haha, this is a nice one.
Closest is D
I only go for seconds a few times a month, so my answer would be between 5 and 7...or 6 if you need exactness if you are asking about Nov. Dec. Jan.
3. The 2nd of May, the 2nd of June and the 2nd of July (for instance)
depends on which 3 months but only one answer is even close to any of the possible combinations.
unless its a trick question in which case there are only 3 seconds in 3 months.
Which three months?
Depends on which months & if it's a leap year :-)