Write the next sentence in the following story.

Then the person puts the cookies on a baking sheet in a pan and bakes them for 15 minutes. then

Possible answers:
(a). takes the cookies out when they're done.;
(b). , the person cooks o two cookies in a pan, then cookies it again to make more.;
(c). , the person mix the cookies in a bowl, then mix it in a blender.;
(d). , the person mix the cookies in a skillet and cook eggs.;. The answer should be
(a).