【单选题】

The passage suggests that when jet streams interact with continents with few mountain ranges and plains, which of the following also happens
A．(A) More "wandering" occurs in the jet stream than would probably occur over the ocean.

B．(B) The continent in question heats and cools at a faster rate than it would without the jet stream.
C．(C) The jet stream becomes more narrow and focused than it would be over the ocean.
D．(D) The temperature of the jet stream is distributed more evenly than if the continent had more mountains.
E．(E) The jet stream evinces more signs of being a thermally driven phenomenon than it does in other situations.