<em> the reader most likely anticipates that </em><u><em>Ellery will ask the boys where the money is.</em></u>
Explanation:
<em>This is the most logical option from the group of options given. For the Buell, Ruffo and Strager boys to be grinning shows that they have an idea of what happened to the money and the teacher, Ellery has no other option than to ask them about it.</em>
