Answer:
Did teachers lessons helped you a lot?
Teachers' lessons helped you a lot, didn't they?
Explanation:
since it's lessons, the pronoun in the question tag is "they"....since helped is past tense, in question tag too, "didn't" is used.
Where's the excerpt
The answer is B
The example is showing contrast of both hurricanes and tornadoes. "However," is the correct word to use in that sentence as it shows you are stating a contradiction.
