Following statements were made with respect to plant steroid hormones.

A. The receptors for plant steroid hormones are found in the nucleus, similar to animal steroid hormones.

B. There are multiple pathways for the plant steroid hormone biosynthesis involving cytochrome P450 class of enzymes.

C. The first plant steroid hormone was isolated from male gametophytes.

D. Plants deficient for the steroid hormone brassinosteroid show underproliferation of phloem and overproliferation of xylem cells.

E. Castasterone is a plant steroid hormone abundant in the vegetative tissues of the plant.

Which one of the following options represents the combination of all correct statements?