**IMPORTANT, NEED HELP IN ORDER TO GRADUATE, WILL GIVE BRAINLIEST AND 75 POINTS TO BEST EXPLAINED ANSWER**

Christian wrote his version of a myth about Daphne and Apollo for his English assignment.

Read this excerpt from paragraph 2 of Christian’s draft of his introduction and answer the question.

He had slain a horrifying monster called the Python, a serpent whose poisonous body had coveredan entire hillside. It required a thousand arrows to kill it.

What is the best way to combine the underlined portion to achieve parallel structure?

a serpent whose poisonous body had covered an entire hillside and had required a thousand arrows to kill it.
a serpent whose poisonous body had covered anentire hillside, and Apollo had required a thousand arrows to kill it.
a serpent whose poisonous body had covered an entire hillside and requiring a thousand arrows to kill it.
a serpent whose poisonous body had covered an entire hillside and who had required a thousand arrows to kill it.