The speech which does not sound spontaneous is B Manuscript delivery.
In a manuscript speech<span>, the speaker reads every word from a pre-written speech. This seems easy enough. </span>
Answer: Enthusiasm:
<em>strong excitement about something : a strong feeling of active interest in something that you like or enjoy. : something causing a feeling of excitement and active interest : a hobby that someone feels enthusiastic about. See the full definition for enthusiasm in the English Language Learners Dictionary. enthusiasm.</em>
to prove your point with credibility
Answer:
"and i sat down, got up, ate my ice cream, realized i ran out, and cried"
Answer:
to lend credibility to the claim that other species also use tools
Explanation: it makes more sense than all the other options B to show chimpanzees are not intelligent disproves her first point at the start of the story especially when she said accept as human because humans are the smartest animals there is and let us be honest C is just obviously wrong.