Which words in the sentence are the complete noun clause?
My younger brother complains about whatever is on his plate.
Aon his plate
Bmy younger brother complains about whatever
Cmy younger brother
Dwhatever is on his plate
My younger brother complains about whatever is on his plate.
Aon his plate
Bmy younger brother complains about whatever
Cmy younger brother
Dwhatever is on his plate