---Thank you for your CD-ROM. I’ll return it as soon as I can.

---_____. I’ve got another one to spare.

A．No problem

B．No hurry

C．With pleasure

D．Nothing much

某凸透镜的焦距是8cm，物体距凸透镜20cm，则物体经该凸透镜所成的像是[ ]

A．倒立、放大的实像

B．正立、放大的虚像

C．倒立、缩小的实像

D．正立、缩小的虚像