Meaning of experiment is A-controlled observation.
Part A: D
Part B: A
Answer: B
Explanation: C and D are more obviously incorrect, and A’s pronoun would have to be changed to “their”
Answer: General Barker was in a hurry to get everything ready for the experiment.
Explanation:
A woman preparing Thanksgiving dinner for twenty has lots of dishes to make and has a challenging work on her hand and lots of work to do. Typically, this woman will be in a hurry to get things done and get everything ready in time.
The same thing applies to General Barker. He was in a hurry and rushing as he wanted to get everything set and ready for the experiment that he had.