—I’d like to invite you to my new house next weekend.

—Thank you, but ____ I’ll have time I’m not sure at the moment.

A．when

B．as

C．in case

D．unless

关于脑膜炎皮疹，叙述正确的有（）

A.多为瘀点、瘀斑，压之不褪色

B.全身皮肤及黏膜散在分布

C.大瘀斑中央可发生坏死

D.四肢皮肤可见荨麻疹

E.偶可见脓疱疹