Which sentence is punctuated correctly?

a)Briana, my partner for the science project had some great ideas.
b)Briana my partner for the science project, had some great ideas.
c)Briana, my partner, for the science project had some great ideas.
d)Briana, my partner for the science project, had some great ideas.
Is the answer D?

Yes. :-)

Yes, the correct answer is D) "Briana, my partner for the science project, had some great ideas." This sentence is punctuated correctly.