Which of the following statements is true?

a) In most jurisdictions, inadequate legal remedy and irreparable harm are separate concepts that need to be established to receive an equitable remedy.
b) In most jurisdictions, irreparable harm is a method of establishing that the legal remedy is inadequate.
c) Most courts no longer require a showing on an inadequate legal remedy as a prerequisite to receiving an equitable remedy.
d) All of the above.