Need help on 1 and 2

1. A

2. A

Imagery is all about sound, smell, taste, and feel so i believe that these are the anwers.

C

B-These words are the most important ones in the sentence as they reflect the feeling of frustration and misfortune of the speaking person .In addition, there is surprise and an idea of having wasted time for such a disappointing result.The person is baffled by the news, feels let down and seems not to understand the reason for failig the test.