The Amount of Water Vapor in the Atmosphere near the Earth's

The amount of water vapor in the atmosphere near the Earth's surface is about _[1]__% in most parts of the planet,but can range from __[2]__% over deserts and polar regions to about _[3]__% in tropical areas.
Form1 Choices:
A-1
B-2
C-3
D-4
E-10
Form 2 Choices:
A-less than 1
B-0
C-1
D-2
E-4
Form 3 Choices:
A-2
B-4
C-10
D-12
E-14