Which sentence is punctuated correctly?

A
Many Americans travel to Canada, in order to hunt moose during hunting season.

B
Valentine's Day candy hearts often say cute messages, like "Cutie Pie" and "Hug Me."

C
The picture frame, which we bought at a flea market, fell apart when we tried to hang it.

D
My cousin, who started his own business, managed to make a lot of money, in less than three months.

B

Valentine's Day candy hearts often say cute messages, like "Cutie Pie" and "Hug Me."