To complete the sentence, we must choose a word that describes the nature of the person's remarks that contrasts with the audience's positive reception to his ideas. Here is the analysis of the options:
Given these definitions, derisive is the correct word, as it introduces a contrasting perspective that fits the context of the sentence.


Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world