已知两个相似多边形的一组对应边分别是23cm和15cm，较小多边形的周长为60cm，则较大多边形的周长是           cm．

It’s true that the old road is less direct and a bit longer. We won’t take the new one, ______, because we don’t feel as safe on it.

A．somewhat

B．though

C．therefore

D．otherwise