Which of the following statements is true?


A. Both the square root of 15 and the square root of 0.001 are rational.


B. Both the square root of 15 and the square root of 0.001 are irrational.


C. The square root of 15 is rational and the square root of 0.001 is irrational.


D. The square root of 15 is irrational and the square root of 0.001 is rational.