Jim aliamua kupunguza uzito. Alidhani kuwa mazoezi ni njia bora ya kupunguza uzito kwa sababu huwezi kujikwamua nini? 
Choose an answer to this question from the following options:

A: chakula cha haraka
B: usawa
C: jasho
D: haja ya chakula
E: kiu
The right answer is D