A、She weighs 130 kilograms. B、She has had babies before. C、She was brought from Africa. D、She has a big family of six. B事实细节题。新闻

Officials at Reid Park Zoo in Tucson Arizona are celebrating the birth of a baby elephant. Zoo officials say the baby was born on Monday. It is a female and she weighs nearly 130 kilograms.
Semba, her mother, is a 30-year-old African elephant. The pregnancy lasted 22 months.
Officials describe the baby elephant as “healthy, standing and nursing”.
The baby hasn’t been given a name yet.
Semba has given birth before. Zoo officials said during this pregnancy, she was closely monitored through physical exams and blood tests.
Dr. Sue Tygielski is the zoo’s director of zoological operations. She said the elephant’s birth went smoothly and that there were no complications.
The new baby expands the zoo’s elephant herd to six. That includes the baby’s parents, a sister, a brother and an adult female.
Questions 3 and 4 are based on the news report you have just heard.
3. What do we learn about the mother elephant Semba?
4. What does the report say about the birth of the new baby elephant?