That's how I see it
Written by CarolTS
(4/24/2010 1:19 a.m.)
in consequence of the missive, Charlotte Lucas--Wingman!, penned by Kevin S
I don't think this passage shows that Charlotte is already interested in Mr. Collins that way. I've always read it just like you described here - Charlotte could tell (even if Mr. Collins couldn't) exactly what Lizzy thought about him and was helping her out. I don't think there's a passage that says without question when she sets her cap at him (to quote Sir John).