Answer:
d. opinions
Explanation: To support evidence of a claim or counterclaim, an author needs to use facts, not opinions. An opinion could show that the author supports or doesn't support the claim, (Or counterclaim) but wouldn't use any evidence to say whether the claim is true or false.
Go back to the text and re-read a passage where Watson made a discovery. If Sherlock praises him, you've got your answer. I'm sorry if this wasn't much help, but I don't have any text to go off of.
Answer:
He says that the reference desk is the best place to take a nap. or He think that Saul would enjoy talking to the person at the reference desk.
My answer to this question would be A.
