"I was really hungry and just ignored the fact that my brain wouldn't function properly if I didn't eat. After my 1st, 2nd, and 3rd period, it was my lunchtime so I just decided to eat cereal because I didn't care what I ate at the moment. My stomach was begging me for food."

What needs to be changed?

A: add a semicolon after ‘moment.’

B: remove comma after ‘3rd period.’

C: change ate to eat.

D: no changes need to be made.