How do paragraphs 9-10 contribute to the development of ideas in the text?

Question

A.
They emphasize how hard it was to decode a secret message.

B.
They show that decoding work was largely based on luck and chance.

C.
They prove that decoding messages was mostly done by a computer.

D.
They show how different countries had different coding styles.

Answer 1

B.
They show that decoding work was largely based on luck and chance.