Judges will select 4 finalists from the 7 contestants entered in a singing competition. The judges will then rank the contestants and award prizes to the 3 highest ranked contestants: a blue ribbon for first place, a red ribbon for second place, and a yellow ribbon for third place. How many different arrangements of prize-winners are possible?	Choose the correct choice from the following answers.
A) 140
B) 21
C) 210
D) 420
E) 1,260
First Select 4 from 7 contestants and then select top 3 from those 5 =   7C4*4C3 =35 * 4= 
<gadget id="calculator">35 * 4</gadget>
<output>140</output>
140   140NS:140
<result>A</result>
Judges will select 4 finalists from the 7 contestants entered in a singing competition. The judges will then rank the contestants and award prizes to the 3 highest ranked contestants: a blue ribbon for first place, a red ribbon for second place, and a yellow ribbon for third place. How many different arrangements of prize-winners are possible?