Being cloned,Dolly exhibited differences from normally reproduced sheep,in that she

A) was able to reproduce asexually, without requirement of a male sperm.
B) gave birth to healthy lambs through normal sexual reproduction.
C) developed lung disease at a young age of six years.
D) developed both arthritis in her hind legs, and lung disease, dying at a young age.
E) developed arthritis in her hind legs.