Which commands will print two copies of the file to the default printer?

(Choose all that apply)

A.
cat hosts | lpr -#2

B.
lpr -K2 hosts

C.
lpr -P -count 2 hosts

D.
for 1 in 2 lpr hosts

Explanation/Reference:
From the man pages:
lpr – off line print
SYNOPSIS
lpr [ -A ] [ -B ] [ -b,l ] [ -C class ] [ -D debugopt ] [ -F filterformat ] [ -G ] [ -h ] [ -i indentcols ] [ -k ] [ -J job ] [ -K,# copies ]
            [  -m mailTo ] [ -o options ] [ -P printer ] [ -Q ] [-r ] [ -R remoteAccount ] [ -s ] [ -T title ] [ -U user ]
            [ -V ] [ -w width ] [ -X userfile  ]  [  -Y  ]  [  -Z options ] [ -1,2,3,4 font ] [ filename …  ]

CAUTION: -K does not work on CUPS systems