Question

WILL GIVE MEDAL!!!!!!!!!!!!!!!!!!!!!!!!!!


Which sentence is punctuated correctly?

A.
The last three Endeavour space shuttle launches occurred on May 16; 2011, February 8; 2010, and July 15; 2009.

B.
The last three Endeavour space shuttle launches occurred on May 16, 2011, February 8, 2010, and July 15, 2009.

C.
The last three Endeavour space shuttle launches occurred on May 16, 2011; February 8, 2010; and July 15, 2009.

D.

The last three Endeavour space shuttle launches occurred on May 16; 2011; February 8; 2010; and July 15; 2009.

Answer 1

It's B .
I'm not sure, In my country it's like that :)

Answer 2

http://www.thepunctuationguide.com/comma.html