D, B, C are three consecutive positive integers (D>B>C). What is the value of the expression 2D +B +3C?	Select the correct option.
A) 6A+7.	B) 5A+1.	C) 5A-1.	D) 6A-5.	E) 6D-7.
=&gt; D+D+(D-1)+3(D-2)   =6D-7=6D-7.
<result>E</result>
D, B, C are three consecutive positive integers (D>B>C). What is the value of the expression 2D +B +3C?