【单选题】

OnAugust 10, 1999,DonnaDees-Thomases watched as every parent’s nightmare unfolded on TV:

A、gunman had shot and injured two young children at aCalifornia day camp. "My heart was in my throat," she says. "Those children could have been mine."
Anger and fear ledDees-Thomases, 46, a mother of three from Short Hills, NJ, to organize the Million Mom March on Mother’sDay in 2000.
A、stand against the 30 000 deaths and 75 000 gun-related injuries a year in the United States, it drew an estimated 750 000 to Washington,DC、
Now the second Million Mom March, set for May 9 inDC, will urge the federal government to renew and strengthen the assault weapons ban (set to expire in September).AndDees-Thomases’ new book, Looking for a Few Good Moms: How One Mother Rallied a Million Others against the Gun Lobby, will be published this month by Rodale, Prevention’s parent company.
How many children doesDonnaDees-Thomases have
A、Two.
B．Three.
C．Four.
D．Five.