Aşağıdaki cümlede boş bırakılan yere anlam akışına uygun düşen kelimeyi seçiniz.
My mother is a nurse. She works at a hospital and takes care of patients. Her job is very $ \underline{\hspace{2cm}} $ but also rewarding.
A) boring
B) easy
C) demanding
D) simple
E) relaxing
