What does the "this" refer to?" />
Kuis

Many kinds of geckos can walk on walls, windows and ceilings. They can do this because they have special toe pads. A microscope can show that each toe pad is
made of thousands of hair-like structures. Each of these structures branches into many smaller ends.

“They can do "this" because they have special toe pads”
What does the "this" refer to?

utakatikotak
2
A
To walk on walls, windows and ceilings.
B
To lick the membranes clean with their tongues.
C
To regenerate their tail if they need to.
D
To eat many insects.