Cecil is often preoccupied with unwanted thoughts of jumping out the window of his tenth-floor apartment. to reduce his anxiety, he frequently counts his heartbeats aloud. cecil would most likely be diagnosed as experiencing

Obsessive-compulsive disorder (OCD)

Explanation:

Obsessive-compulsive disorder (OCD) is a disorder that causes someone to have constant undesirable or unwanted thoughts or ideas which constantly drive them towards doing something repeatedly(compulsion).

It can range from innocent behavior such as constantly washing your hands or constantly cleaning.

A person finds it hard to get rid of these ideas or thoughts, eventhough they may understand how bad their thoughts are but still they can't seem to stop themselves from these obsessions.

answer; list;

the height of the rock is 15