Question

please help.
Which sentence uses correct subject-verb agreement?

a) A breakfast of bacon, sugar cookies, peaches, pineapple-grapefruit juice, and coffee were the first meal to be eaten on the moon.

b) Stone-eating bacteria damages monuments, buildings, and sculptures by changing marble (calcium carbonate) into plaster (calcium sulfate).

c) The hyoid bone, which anchors the tongue muscles, is not connected to any other bone in the human body.

d) The First Lady, along with her two children, are traveling to San Diego for a charity's fundraising dinner.