PLEASE HELP ME WITH THIS QUESTION ON THIS PICTURE

Which of the following employs an ad hominem fallacy? ) a. the community center will cost too much to build because labor and materials are expensive. ) b. all of the slobs who don't want to build the new community center are lazy. o c. the old community center is 50 years old; it's too old to be used. ) d. everyone else wants to build the new community center. why don't you?