8. Please help, in which sentence is preoccupied used correctly?
A) Briana was so preoccupied with decorating the first batch of cupcakes that she failed to notice the curl of smoke coming from the oven, where the second batch was baking.

B) Maria preoccupied the children she was babysitting with plenty of games and activities to ensure that they had no opportunity to get into mischief.

C) The venue where we planned to hold the event was preoccupied at the last minute, so we had to scramble to find a comparable location.

D) Andrew is known for his preoccupied approach to problem solving, which involves examining a situation from every angle to determine the most effective solution.