I believe A would be the best answer. In the question, it states that Shawn has trouble understanding the ideas. So, rephrasing the ideas in his own words would help.
I hope this helped u!
Answer:
In conclusion or last but not least
Explanation:
Snake
python
animal
Reptile
Turbulent. You know how turbulence tosses the plane around in the air? the water was rough so she thought it would be dangerous <span />