Insert the missing number
4, -12, 36, -108, 324, (....)  Choose the correct choice from the following.
A) -972
B) -972
C) 452
D) -452
E) 0
4*-3=-12   -12*-3= 
<gadget id="calculator">-12*-3</gadget>
<output>36</output>
36   36*-3=-108   -108*-3= 
<gadget id="calculator">-108*-3</gadget>
<output>324</output>
324   324*-3=-972   -972NSWER:-972
<result>A</result>
Insert the missing number
4, -12, 36, -108, 324, (....)