Which of the following statements about Matthew Br

单项选择题

Questions 11 to 14 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now, listen to the passage.

Which of the following statements about Matthew Brady is correct

A．He took pictures of American Independence War.
B．He invented self-developing film.
C．He was a very famous American scientist.
D．He made portrait poses very popular.