What will happen if we call isNAN function on seventy-eight and 78?

A. It will return false for both seventy-eight and 78 because both are numbers.

B. It will return true for seventy-eight and 78 because seventy-eight is a string and 78 is a number.

C. It will return false for seventy-eight and true for 78 because seventy-eight is easy to read and 78 is not.

D. It will return false for both seventy-eight and 78 because JavaScript will treat seventy-eight and 78 the same though auto conversion.