Read the given paragraph.
The American spacecraft Apollo 7 carried three astrologers viz. Neil Armstrong, Edwin Aldrin and Yuri Gagarin to Moon in July, 1979. This was a remarkable day in the history of mankind. They left a flag of NASA there which was specially designed to stay taut on the Moon. There are some errors in the given paragraph. Select the option that correctly identifies the number of errors.
A2
B3
C4
D5