单选题Incomplete proteins ______.A have all the essential amino acidsB are manufactured by the bodyC can mix with other proteins to form complete proteinsD can be gained from meat, fish, eggs, and milk
题目
单选题
Incomplete proteins ______.
A
have all the essential amino acids
B
are manufactured by the body
C
can mix with other proteins to form complete proteins
D
can be gained from meat, fish, eggs, and milk