A client is asking for a nation-wide public service announcement, targeting grandmothers who babysit their young grandchildren during the week. Which media formats would be seen by the largest share of this target audience?

Select all that apply.

A)a print ad in a widely distributed gardening magazine
B)a series of billboards located in New York City
C)a poster and set of flyers at a local college
D)a television commercial on a daytime kids’ program

Pretty sure one of them is D but idk which other one? Help ?