How Do the Rational Basis Standard and "Intermediate Scrutiny" Differ

How do the rational basis standard and "intermediate scrutiny" differ?

A) The rational basis standard requires an important governmental objective for classification; intermediate scrutiny requires the classification to be necessary.
B) The rational basis standard applies only to racial classifications; intermediate scrutiny applies to gender and sexual orientation classifications.
C) Intermediate scrutiny is applied to a broader array of classifications than the rational basis standard.
D) It is easier for the government to demonstrate a rational basis for a law than to meet the requirements of intermediate scrutiny.
E) Those who dislike a law will have an easier time getting it overturned if the Supreme Court applies intermediate scrutiny instead of the rational basis standard.