The world’s population is getting larger and larger, so scientists are trying to _______ new ways to solve the food problem.
A．catch up withB．keep up withC．come up withD．make up with
C

試題分析：句意：這個世界的人口正變得越來越多，所以科學家們正在盡力想出。新的方法去解決糧食問題。A趕上B追上C提出，想出D彌補，和好。
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