15 points and brainliest is it A, B, C, D
Read the following passage:

Proudly he sent it off to Theo, saying “The Japanese draw quickly, very quickly like a lightning flash...I have only been here a few months, but tell me this-could I, in Paris, have done the drawing of the boats in an hour?” Instead of using a tool to draw in perspective, he wrote, “this is done without measuring, just by letting my pen go.”
What does perspective mean in this context?

A. Viewpoint
B. A painting technique
C. A background
D. A technical way to paint