Which one of the following is an example of a repeating decimal?

Question

A. 0.6666666(W/ repeating sign)
B. 1.234545
C. 0.123321
D. 6.787878(W/ repeating sign)

I think its A but D is also repeating.
If I'm wrong please elaborate

Answer 1

Also
Change the decimal 0.0112 to a fraction.

A. 112/100
B. 112/100,000
C. 112/10,000
D. 112/1,000

I believe it is C But i just want to make sure it is right

Answer 2

#1, A and D is correct

#2
.0112
= 112/10000
= 7/625
they should have reduce the answer of C

Answer 3

Its A for first question & C for second question