The first question i would say C or D but i think C is more correct 2nd question i would say it is D)
in the first question We can conclude that the fast food could be as dangerous as drugs That was on the D) option, but if you choose the C option, in one experiment with the rats, they survived 2 weeks without eating healthy food, they wanted the other food(not the healthy one)
In the other question i choose D because is asking "what evidence supports the claim that junk food could be addictive and the D) explains that the rats were given unlimited access to junk food and they did not measure the quantity of food they ate
