What are three possible causes for the latch-related wait events?

Examine the details of the Top 5 Timed Events in the following Automatic Workloads
Repository (AWR) report: What are three possible causes for the latch-related wait events?

A.
The size of the shared pool is too small.

B.
The buffers are being read into the buffer cache, but some other session is changing the
buffers.

C.
There are frequent logons and logoffs.

D.
A large number COMMITS are being performed.

E.
Cursors are not being shared.