How many numbers from 2 to 9 are exactly divisible by 2?  Choose the correct choice from the following options:
A) A)2
B) B)3
C) C)5
D) D)4
E) E)8
2/2= 
<gadget id="calculator">2/2</gadget>
<output>1</output>
1 and 9/2= 4   4 - 1= 
<gadget id="calculator">4 - 1</gadget>
<output>3</output>
3   3 + 1= 
<gadget id="calculator">3 + 1</gadget>
<output>4</output>
4 Numbers.   Answer : 4
<result>D</result>
How many numbers from 2 to 9 are exactly divisible by 2?