B

ever so (="very)" 非常; It's ever so cold.与名词搭配时则用ever such, 如：She's ever such a nice girl. (她是一位非常好的姑娘。) even so (="although" that is true, nevertheless; still) 即使如此：The fire was out, but even so, the smell of smoke was strong. (="The" fire was out, but the smell was still there.)