When painters in the workshop of the fifteenth-century artist known as the Master of Osservanza illustrated The Meeting of St. Anthony and St. Paul, they solved the problem of how to in a single painting by merging a series of episodes into one picture.

A) tell a story
B) mix colors
C) save space
D) portray two saints

A) tell a story

Explanation:

When painters in the workshop of the fifteenth-century artist known as the Master of Osservanza illustrated The Meeting of St. Anthony and St. Paul, they solved the problem of how to tell a story in a single painting by merging a series of episodes into one picture.

The method of continuous narrative used in the painting that illustrated The Meeting takes you through a step-by-step description as if you were there and you grasp the entire story as it unfolds from beginning to end and vice versa.