It is D because you are inferring the rest are statements the dog barking you can obviously hear it vinegar has a pungent aroma you can smell it. the flower is pink you can see it. but a cup with steam coming from it will be hot to the touch. it says "Will be" which implies that you haven't actually touched it yet. I know which question your talking about.
I think that u need to use the book because it said which part from number 3? not sure tho<span />
Answer:
A. All of these choices are correct.
Explanation:
In pharmacology , drugs play different roles from simple to complex.
as is the above mentioned question drugs can facilitate the transmission of information from one neuron to another so option B is correct.
While the drugs / chemicals can inhibit the transmission of information from neuron to another so option C is also correct.
And the drugs can also be used to cure a whole variety of clinical disorders by playing a role at the synaptic level.
Hence option A All of these choices are correct is the right answer.