The only word out of these four which has an obvious negative connotation is C) harangue. That word means <em>to lecture somebody in an aggressive manner</em>, which is negative.
The other words have neutral connotation.
Instead of the 'and' you could put a comma instead?
Answer:
im sweet as a brownie
im fast like a cheetah
im cold like ice
shes slow as a turtle
her breath smells like trash
im brave as a lion
Explanation: