The author develops the theme by having Ennis make a suggestion to exchange lives for an afternoon
The sentence that would best fit at the beginning of a first paragraph and would also make the best topic sentence is: Mammoth hot springs is a popular attraction because the springs are unique. The correct answer would be option D. This sentence is the correct answer because it is the only sentence that introduces the topic.
Answer:
My colleagues A, B, and I DESIGNED an experiment to test the impact on worker perceptions of well being when domesticated cats ARE ALLOWED to freely roam various work environments in which the subjects were normally employed. Their test environments WHICH WERE SELECTEE for our experiments: a law office, a laboratory in which experiments ARE PERFORMED using laboratory rats, and an automobile assembly line. One-way mirrored glass pannels WERE INSTALLED to allow video cameras to record the activity and researchers to observe the same and take notes. We secretly inserted observers directly into the work environment. These observers posed as outside contractors and WORE UNIFORM as a maintenance and cleaning staff, coffee and water service vendors, and similar suporting personnel. The observers DREW from the students who MATRICULATED into the experimental psychology courses from which this STUDY WAS DEVELOPED as an example of such studies generally.
