I would say wakes up as the phrase "come to" can mean waking up and "start" means beginning. So the phrase can mean starting to wake up, that's just my guess though.
Answer:
This is written in a passive voice and needs to be rewritten in an active voice and reduce length. After 12 weeks had passed, each mouse was randomly placed in one of two treatment groups; in all cases, a die was rolled (was rolled is a passive voice right now) by an experimenter for each mouse, and if it landed on an even number, the mouse was placed in the group that received a pill.
The answer is c: sales and excise
C. A, B, and D are presenting arguments.
