Answer:
Irony is a discrepancy between what is expected to happen and what actually happens. This mostly refers to situational irony, but can relate to other types of irony as well. Situational irony means that the opposite of what was expected actually happens.
Explanation:
Smoke, because smolder means to burn slowly with smoke.
B. to insert at intervals.
Intersperse is a verb, and it's dictionary meaning is: "<span>scatter among or between other things; place here and there."
ie, "the conversation was interspersed with silences".</span>
