Question

The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.

A．catch up with

B．keep up with

C．come up with

D．make up with

Answer 1

C

词义辨析。catch up with跟上；keep up with赶上；come 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。