Which sentence contains a restrictive phrase? madeline (the neighbor’s cat) was sleeping peacefully in the sun. the novelist—my favorite by far—was kindly autographing books. jonah, the fastest runner on the track team, injured his left ankle. the window in the living room provides the best natural sunlight.

The sentence that contains a restrictive phrase is: The window in the living room provides the best natural sunlight.

A restrictive phrase is a group of words that clearly point out the noun that is being modified without the presence of commas.

The last sentence is a restrictive phrase because it clearly shows that the window, which is the noun, is the best source of natural light. Also, it has no comma.

Therefore, option D is correct.

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lemme actually be useful and say i believe the answer is the first one.