Capo on 4th

I just hold the C chord, then move my third finger up or down a string every other time. 
So you're pretty much just picking the E/A string alternatively and then just doing the 
B and G string every time. I strum C for the chorus. Pretty simple.

E|-------------------------------|
B|------1--------1---------------|
G|------0--------0---------------|
D|-------------------------------|
A|--3----------------------------|
E|-----------3-------------------|