Answer:
D. On March 29, 1981 Ronald Reagan told a reporter from the Observer, “You can tell a lot about a fellow’s character by his way of eating jellybeans.”
Step-by-step explanation:
Dates, proper nouns, and beginning of sentences are capitalized:
A. is wrong because 'the' should not be capitalized
B. is wrong because 'observer' is a proper noun and is not capitalized
C. is wrong because 'march' is not capitalized and 'the' is
D. is right because everything that is capitalized is necessary