Read these sentences from Paragraph 2 of the passage.

His room, a proper human room although a little too small, lay peacefully between its four familiar walls. A collection of textile samples lay spread out on the table - Samsa was a travelling salesman - and above it there hung a picture that he had recently cut out of an illustrated magazine and housed in a nice, gilded frame.

Which word has a meaning most similar to the meaning of proper in the passage?


extravagant

passable

appropriate

perfect