Which of the following BASH shell built-in commands can be used to apply a CPU time limit of 90 seconds on the current shell session?

Which of the following BASH shell built-in commands can be used to apply a CPU time limit of 90 seconds on the current shell session?

A.
setlimit -t 90

B.
echo 90 >/proc/me/limits/time

C.
limits -t 90

D.
ulimit -t 90