In the number pyramid shown, where all numbers are positive integers, each number is the sum of the two numbers below it

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In the number pyramid shown, where all numbers are positive integers, each number is the sum of the two numbers below it (eg. \(a=b+c; b=d+e\)). What is the maximum number of odd integers that can be in the pyramid?

A. \(4\)
B. \(5\)
C. \(6\)
D. \(7\)
E. \(8\)

OA D
Source: — Problem Solving |