PLEASE PLEASE PLEASE HELP! How can gastroenteritis be contracted?

Question 9 options:

not washing hands well enough

not storing food properly

not canning food properly

not washing hands enough A

Explanation:

i did the test ps please give me brainleyest awnser i know that i did not do much but it would be doing me a favor

ya need more chromosomes boi

answer; /// i believe its the cochlea;