张某在阳光小区花费60万元购置了新居室后，欲将原居住8年的约18平方米的旧房卖出，经评估，此房价值30万元。因此房临街，最终以50万元售出。按照税法有关规定，向当地税务机关申报并经核准后，张某出售的旧房免予征收土地增值税。

— Oh. Mary's not here these days. Is she ill?

— _____. Her mother told me that she was in hospital. [ ]

A. I am afraid so

B. I hope not

C. I don't mind

D. I don't think so