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.

probably because the owner wants to get rid of it