If \( \triangle \mathrm{ABC} \sim \triangle \mathrm{APQ} \) and \( \operatorname{ar}(\triangle \...

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If \( \triangle \mathrm{ABC} \sim \triangle \mathrm{APQ} \) and \( \operatorname{ar}(\triangle \mathrm{APQ})=25 \operatorname{ar}(\triangle \mathrm{ABC}) \) then the ratio of \( B C \) to \( P Q \) is
a. \( 5: 1 \)
b. \( 1: 5 \)
c. \( 1: 3 \)
d. \( 4: 1 \)
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