The statement that is true about Henri Matisse is they are impressionist paintings.
A statement refers to using a group of words including main and subordinate clauses.
The statement that is true about Henri Matisse is all their works are impressionist paintings.
He owed much of his artistic freedom to the impressionists who took the plunge for rejecting the norms.
Therefore, A is the correct option.
Learn more about the statement here:
https://brainly.com/question/2285414
#SPJ1