My brother-in-law’s hobby is butterfly collecting. Option A is the answer that properly completes the sentence.
We use apostrophe s (’s), also called possessive ’s, as a determiner to show that something belongs to someone or something.
When we aim to show that something belongs to somebody or something, we have to add an apostrophe + s ('s) to a singular noun and an apostrophe (') to a plural noun.
Robert E. Lee was a Confederate general who led the South's attempt at secession during the Civil War. He challenged Union forces during the war's bloodiest battles, including Antietam and Gettysburg, before surrendering to Union General Ulysses S
