GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 47V351SC8QOC3D88A

The often-cited parallels between human communities and insect colonies are ____________: the cooperation found among social insects is essentially due to the insects genetic ties, while humans often collaborate with non-relatives. A. superficial B. obvious C. hackneyed D. contradictory E. uncanny