Standing in the checkout line at the grocery store, Trevor kept looking at his watch to see the time. As a result, he failed to see that a store employee was being robbed by a person just in front of him. Trevor most clearly suffered

Inattentional blindness

Explanation:

Inattentional blindness os simply failing to see visible objects when our attention is drawn elsewhere or channeled elsewhere. Our attention is to be put in place so as to bring it to our awareness. It is the inability to notice a fully seen/visible, but unexpected, object or event when attention is drawn to something else.

it would be d). more resources must be obtained to attain that combination of goods and services

answer///conference committee;