Which strongly repeats or sums up the thesis of an essay?
a. a reason
b. evidence
c. a hook
d. a conclusion

The answer is D) a conclusion

A conclusion, because a reason is an additional detail used to support your point, evidence is the same, and a hook is to make your essay more appealing. A conclusion is what is used to restate all previous points as well as give a final word. So the answer would be D. a conclusion

It shows that the milk is like life to the boy