Some biologists believe this is an ancie
题型:选择题
问题:
Some biologists believe this is an ancient survival strategy, _____ a diet with fewer calories than usual increased life span. |
A. for which B. to which C. of which D. in which |
Some biologists believe this is an ancient survival strategy, _____ a diet with fewer calories than usual increased life span. |
A. for which B. to which C. of which D. in which |