Malnutrition hinders children's growth in two major forms: (1) Stunting, which means _______ ; and (2) wasting, which refers to _______.

A、low height-for-age; low weight-for-height
B、low weight-for-age; low height-for-height
C、low height-for-weight; low weight-for-height
D、low height-for-age; low weight-for-age