Concept:The correct phrase used to mean “immediately” or “with one quick look” is at a glance.Explanation:The preposition “at” is used with “a glance” to form the fixed expression “at a glance”.It means seeing or understanding something instantly, without detailed checking.In the sentence, the father saw immediately that Andrew got all the answers wrong.Therefore, the correct option is D. at a glance.Answer:His father saw at a glance that Andrew got all the answers wrong.