Why isn't this thesis statement acceptable?

"i am going to tell you why you should add solar panels to your home."
question 10 options:

a) it is not acceptable because it should be more than one sentence.

b) it is not acceptable because a thesis should never begin with "i am going to tell "

c) it is not acceptable because you should not share your opinion in the thesis.

d) it is not acceptable because it does not share the three main ideas to support the claim.

you can choose more than one..

Returning from vietnam, we were indeed given a parade. crowds of screaming people waving signs — not just on one road, one day. no, they were everywhere. every day. on the streets, on the television, on the radio. a hot, angry tangle of shaking fists and ugly words that threatened us like a monster with a hundred heads. our country had chewed us up and spit us out, and now we were being treated as if it were our fault. what is one way the author's use of language contributes to the tone of this passage? a. the use of figurative language creates a feeling of resentment. b. the phrase "hot, angry tangle" is used sarcastically to create irony. c. the word "parade" is used sarcastically to create a lighthearted mood. d. the parallelism draws attention to the confusion of those returning.