Sentence Correction (SC) | Re: When he could no longer play violin himself, Howard taught,

when he could no longer play violin himself, Howard taught,imparted his knowledge to students to encourage them to be as successful as he once was.
a. imparted his knowledge to students to encourage
b. and he imparted his knowledge to students and encouraged
c. and imparting his knowledge to students encouraged
d. imparting his knowledge to students and encouraged
e. imparting his knowledge to students and encouraging

+kudos if you got it wrong .

Help required. Why i find this