In the following passage some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Snail slime is made (1) _________ a mixture of substance. It is mostly water (2) _________ with proteins and some carbohydrates and minerals, (3) _________ into a sort of jelly. This jelly is (4) _________ "mucus". It's not that different to the snot that comes out of your nose when you have a (5) _________ .