Given below are four jumbled sentences. Select the option that gives their correct order forming a meaningful and coherent paragraph.

A. In 1943, sudden retrenchment from his office due to the war cost him his nine-year-old job.

B. In 1934, Patol Babu gave up his factory job and came to Calcutta with his wife.

C. Ever since, Patol Babu had struggled to make a living.

D. The sailing was smooth for some years and Patol Babu was in his boss's good books.