Enlargement of the prostate that can occur in older men is:

A) benign prostatic hyperplasia.
B) benign prostate trophy.
C) hypertrophy prostatic.
D) megaloprostatic.

Benign prostatic hyperplasia is the correct term used to describe the non-cancerous enlargement of the prostate gland, which commonly occurs in older males. The other options are either incorrect or not commonly used medical terms.