Amelia is writing response to this excerpt from " On becoming an I inventor" by Dean Kamen. Which would be the best response to this excerpt? Answer choices is in the picture,please help

Answer:
D
Explanation:
A is close but he's not trying to show he is smart.
B is not it because he was writing to inform not persuade
C is not close because it shows some facts such as the weight of the machine
this leaves D which is correct because it is informing the audience and he uses scientific facts to instruct the readers.