Answer: I would contend that the right answer is actually "to fake."
Explanation: Just to elaborate a little on the answer, it can be added that one of the meanings of the verb to affect is to feign, which can be translated as to pretend or to give a false appearance of something. If the character was trying to "conceal certain inconvenient emotions" which, nevertheless, "seemed inclined to assert themselves" by affecting high spirits, he was, therefore, faking those high spirits, in order to hide his true feelings from the people who had just arrived.
The affix for without would be non-
<span>They could read.
Hope This Helps!! :) ;)</span>
<span>C. Gideon’s position as a tribal medicine man dictates that he not betray the secret to outsiders.
It is clear from the beginning of this passage that Gideon is not happy to be there. He is described as speaking "grudgingly" and "incredulously", showing that he is unhappy. He then goes on to firmly state that he will not give up the secrets of the medicine to outsiders. </span>