$q$ is a three-digit number, in which the hundreds digit is greater than the units digit, and the units digit is equal

$q$ is a three-digit number, in which the hundreds digit is greater than the units digit, and the units digit is equal to the tens digit. If $10^{99}-q$ is divisible by $9,$ then what is the number of possible values of $q?$

A. 4
B. 5
C. 6
D. 9
E. 10

Answer: C

Source: e-GMAT

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