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If $\displaystyle I=\sum_{k=1}^{98}\int_{k}^{k+1}\frac{k+1}{x(x+1)}dx$ , then which of the following are correct?

$\quad$ A. $\quad I>\frac{49}{50}$

$\quad$ B. $\quad I<\frac{49}{50}$

$\quad$ C. $\quad I>\ln(99)$

$\quad$ D. $\quad I<\ln(99)$

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