How were Japan and China economically different from each other by the end of the 19th century?

A. China became economically strong because it accepted Western
influences and trade agreements, while Japan remained
economically weak because of its refusal to abandon its policy of
isolationism.

B. Japan was a successfully industrialized country with a sizable
army and a strong economy, while China's economy remained
weak and vulnerable to the interferences of imperial countries.

C. Japan's economy was growing steadily because it remained
isolated from the rest of the world, while China's economy
remained weak because it had opened itself up to the influence of
imperial countries.

D. China's economy profited from the country's colonization of other
parts of Asia, while Japan's economy remained stagnant because
its army was weak and could not be sent to establish colonies.