A 3-digit number ( 4p3 ) is added to another 3-digit number ( 984 ) to give the four-digit number ( 13q7 ), which is divisible by 11. Then, ( (p,q) ) is:
a) ( (2, 6) )
b) ( (8, 1) )
c) ( (5, 4) )
d) ( (7, 9) )