<p>After many years of obscurity, the late Scott Joplin has became known as the writer of some of the best ragtime music.
(A) has became known as
(B) is now known as
(C) has been known to be
(D) is by some known as
(E) has become known to be</p>
<p>Ans: B
Exp: A, C, D, and E all have the incorrect verb form. D is also passive. B has the correct verb form and is in the active voice.</p>
<p>Why is the verb form of option E incorrect?</p>