At which event must special care be taken when preparing food for the guests?.

A Company party

or A party at a school

Explanation:

The statement that if someone is attempting to focus on multiple tasks at one time, it could be said that they have divided attention is true. Divided attention  is a type of simultaneous attention which occurs when mental focus is on multiple tasks or ideas at once. The term denotes the brain's ability to attend to two different stimuli at the same time. Example: reading what is written on the board and listening the teacher.