The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.A.catch up withB.keep up withC.e up withD.make up with
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C解析词义辨析。catch up with跟上；keep up with赶上；e up with想出；make up with与……和解。句意：世界人口越来越多，所以科学家们不得不想出新方法来解决食物问题。所以选C。