試題詳解

5. Which of the following is true of wildebeests?
(A) They eat more stem matter than zebras do.
(B) They are able to digest large food particles if the food is of a high quality.
(C) They tend to choose feeding areas in which the vegetation has been worn down.
(D) They are likely to choose low-quality food to eat in periods when the quantity of rainfall is low.