Name the Following

Name the following:

A) 2,3-dichloro-1-methyl-propene
B) 2,3-dichloro-trans-2-butene
C) 2,3-dichloro-cis-2-butene
D) 2-chloro-3-chloro-cis-2-butene
E) 1-chloro-1-methyl-2-chloro-propene