How many ONE letter words are formed using the letters of the word WALK?	Choose the correct option:
A) 1
B) 16
C) 7
D) 4
E) 2
The number of letters in the given word is 4.   The number of ONE letter words that can be formed using these four letters is 4P1=4*1= 
<gadget id="calculator">4*1</gadget>
<output>4</output>
4   Answer:4
<result>D</result>
How many ONE letter words are formed using the letters of the word WALK?