What is a possible reason to get this error message?

exams PDII PDII exam 0 Comments

A developer gets an error saying ‘Maximum Trigger Depth Exceeded’.

What is a possible reason to get this error message?
A . The SOQL governor limits are being hit.
B . A process Builder is running that sends mass emails.
C . There are numerous DML operations in the trigger logic.
D . A trigger is recursively invoked more than 16 times.

Answer: D