Which command line create an SSH tunnel for POP and SMTP protocols?

A.
ssh- L :110 -L :25 -1 user -N mailhost

B.
ssh -L 25:110 -1 user -N mailhost

C.
ssh -L mailhost:110 -L mailhost:25 -1 user -N mailhost

D.
ssh -L mailhost:25:110 -1 user

E.
ssh -L 110:mailhost:110 -L 25:mailhost:25 -1 user -N mailhost