Answer:
Option D.
Step-by-step explanation:
If a number can be written in the form of [tex]\dfrac{p}{q},q\neq 0[/tex], then it is know as rational number.
We know that,
Terminating decimal is always a rational number. and non-terminating decimals are rational if they are repeating decimals.
From the given options all numbers are non-terminating decimals but 5.3333333... is a number with repeating decimal.
So, 5.3333333... is a rational number.
Therefore, the correct option is D.
