7. The narrator speculates that whoever convinced Jantzen to invest in a steam-driven car must have been:

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

L19-22 indicates that it is uncertain who exactly, but it is certain that it is well-dressed and looks plausible-looking. So item A meets the requirements.

BCD items: rich, old, smart are not mentioned in the text.