Answer:
The sentence which contains the verb used in the conditional mood is
"A. Shawn might do the dishes if we ask him nicely".
Step-by-step explanation:
This is because verb used in the conditional mood means that the use of the verb is done while making it dependent on the other context or situation. Here Shawn is expected to do the dishes if he is asked in polite and kind manner. Otherwise he will do not do the work if ordered or commanded harshly. Thus, the working of Shawn depends on the condition in the way he is commanded or asked to do the work. Thus, this is an example of the verb which is used in the conditional mood.