Ithink sometimes that if i were only well enough to write a little it would relieve the press of ideas and rest me.
which theme does this sentence best support?
a. doctors in the nineteenth century listened to their patients' concerns.
b. women played subordinate roles in marriage during the nineteenth century.
c. even when a husband and wife disagree, both can be happy.
d. a person who is not allowed to be creative can become distressed.

D) A person who is not allowed to be creative can become distressed.

Explanation: In literature, the theme is the underlying message of a story, it is  what critical belief about life is the author trying to convey in the writing of a novel, play, short story or poem. Usually this belief, or idea, is universal and transcends cultural barriers. The given sentence best supports the theme that a person who is not allowed to be creative can become distressed, because the speaker is saying that if he were able to write even a little it would relieve him and rest him.

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"