Sam had to mix C. equal parts of the two chemicals for the experiment.
The other options just sound wrong. You need to use an adjective here, and B, D, and F aren't adjectives. A doesn't fit either.
Answer:
The only feelings and thoughts the narrator can share are his or her own
Explanation:
I think is going to be A historian for the web site of Sioux tribe of Montana. I hope this is correct.
A sources copyright date is an indicator of accuracy
