Just before the reverse breakdown in a semiconductor diode -

Options

A. Amar wrote this poem who is a poet, just before he died.
B. Just before he died, Amar, who was a poet, wrote this poem.
C. Amar, who ls a poet, wrote this poem just before he died
D. No Improvement

Answer

C

Explanation

wish. is followed by Simple Past Tense .was. he died is the right sentence