天山-4-41

Antarctica receives more solar radiation than does any other place on Earth, yet the
temperatures are so cold and the ice cap is reflective, so that little polar ice melts during
the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf
most of the world’s great cities.

A.  is reflective, so that little polar ice melts during the summer; otherwise,
B.  is so reflective that little of the polar ice melts during the summer; were it to do so,
C.  so reflective that little polar ice melts during the summer, or else
D.  reflective, so that little of the polar ice melts during the summer, or
E.  reflects so that little of the polar ice melts during the summer; if it did

为什莫选b？不解，搜索了，没人问！另外，求本套题23题答案（天山4套）谢谢！

我想;

so..... that.....句式,are so cold 对应is so reflective 用and连接,平行,所以选B