For Questions 5 to 7, select one entry from the corresponding column of choices for each blank. Fill all blanks in the way that best completes the text.

The New Zealand Storm Petrel was a bird long thought (i) , but in 2003 several birds were spotted for the first time in 150 years, apparently having (ii) themselves on the predator-free Hauraki Islands during the (iii) .（）

A．explain how computers were originally designed
B．provide details on how to compute solar and lunar eclipses
C．introduce the concept of an ancient device with a modern application
D．describe the discovery of a computer-like machine designed more than 2,000 years ago
E．show how x-ray computer tomography has helped scientists explore ancient discoveries

A. absurd
B. realistic
C. ubiquitous
D. organized
E. empirical
F. convoluted