Answer:
D: -5.3333333... 
Explanation:
Which number is rational? 
-  A: -2.1010010001... 
-  B: -0.8974512... 
- C: -1.2547569... 
- D: -5.3333333...
All given options are non-terminating, but the last one has repeating decimal
It can be represented as fraction:
- -5.333333... = -5 1/3 = - 16/3, so is rational