Question of the week 18-Mar-2020

Q) If 111...11A22...22 is a 39 digit number and divisible by 7, the value of "A" is
a)  0      b) 1          c) 2        d) 3

Previous question here. Next week question here. It is solvable in less than 45 seconds provided you know the trick that i will be discussing in the book. Your answer only with a logical explanation is welcomed in the comments section.