TOEFL Reading: ETS-TOEFL阅读机经 - 644943E8Q45Z720VL$

Paragraph 2 suggests that the warming of the Alaskan climate affected bark beetles in which of the following ways A. By making it possible for a beetle to deposit its eggs in a greater number of trees B. By making it possible for beetles to survive in the bark of trees for longer lengths of time C. By making it unnecessary for a beetle to protect its eggs by laying them between the bark and the wood D. By increasing the number of spruce trees, thereby providing the beetles with far more places to live