Which of the following statements is true?
a both english and italian sonnets have 14 lines.
b english and italian sonnets use the same rhyme scheme.
c both english and italian sonnets end with a couplet
d both english and italian sonnets include a sestet.

The answer is indeed letter A.

Explanation:

Both English and Italian sonnets have 14 lines.

An English sonnet, on the one hand, has three quatrains presenting the rhyming scheme abab, and one couplet presenting the rhyming scheme aa. An Italian sonnet has an octet presenting the scheme abbaabba, and a sestet presenting either the scheme abcabc or the scheme ababab.

Note:

couplet - two lines

quatrain - four lines

sestet - six lines

answer is b,

"the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be."

it was correct.