Which sentence would create the BEST transition between paragraphs 1 and 2?

A.
Camouflage is important for the mantis' survival.

B.
The mantis can move its legs faster than the human eye can detect.

C.
The most common colors for mantids are green and brown.

D.
Birds and bats are two of the mantis' main predators.

A.

Camouflage is important for the mantis' survival.