$3.$ Which of the following matches regex $/[$a$-$z$][\backslash .\backslash ?!]\backslash$s$+[$A$-$Z$]/?($Choose all that are correct$)$

A$.$ A$.$ B

B$.$ c$!$ d

C$.$ e f

D$.$ g$.$ H

E$.$ i$?$ J

F$.$ k L