Which sentence contains an incorrect possessive form?
ABoth Jack's and Maggie's fathers work at this company
BWhat time does Grandma and Grandpa's flight land?
CTom and Derrick's plan is the best idea I've heard so far
DLeah and Emma's eyes are both a lovely shade of brown
ABoth Jack's and Maggie's fathers work at this company
BWhat time does Grandma and Grandpa's flight land?
CTom and Derrick's plan is the best idea I've heard so far
DLeah and Emma's eyes are both a lovely shade of brown