Answer:
4 is correct
Explanation:
Two girls' cats
The girls have possession of the cats so you need to put an apostrophe after girls BUT there is already an S on the end of girls, so you don't add apostrophe S, just an apostrophe.
C.
Because it is in the beginning of the sentence hope this helped ☺️
Widow Wycherley : vanity
Colonel Killigrew : lust
Mr. Melbourne : greed
Mr. Gascoigne : pompousness
The characters relationships... it's the only one that's not mentioned