14. (3%) Suppose that someone starts a chain letter. Each person who receives the letter is asked to send it to four
other people. Let k be the number of people who have seen the letter, including the first person. Suppose no
one receives more than one letter and the chain letter ends after there have been 100 people who read it but did
not send it out. which is the correct value of k mod 11?
(A) 0
(B) 3
(C) 4
(D) 8
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