Cohesion has a surprising effect on

the surface of water called surface

tension. Thanks to linking of water

molecules, some bugs can actually

walk on water without sinking.

The word "surprising" in the selection above

tells the reader that

A

this phenomenon is common in the natural

world

B

this phenomenon can be replicated with

other animals in the wild

С

this property of water was recently

discovered

D

this property of water is unexpected and

unique