B because it's cool and ya wait what app is this?
To interpret an idiom you have to see if there is a <span>colloquial metaphor, and if there is then that is the idiom.</span>
They’re different the mummy cases because they didn’t wrap their mommies in actual silk cloth they actually wrap them in a cotton light fabric therefore the spices that they would smother the body with would preserve longer in the case.
It means that it is an index.