'God save thee, ancient Mariner, /From the fiends that plague thee thus!- Why look'st thou so?' means……….
i. the mariner wanted to know why the wedding guest was looking so tormented
ii. the wedding guest wanted to know why the mariner was looking so tormented
iii. the wedding guest wanted to know whether some creatures were troubling the ancient mariner
iv. the ancient mariner wanted to know whether something was troubling the wedding guest
ii. the wedding guest wanted to know why the mariner was looking so tormented