Turbofan engine is a most use of all commercial and fighter aircrafts.
A
Correct answer
Explanation
Turbofan engines are indeed the most widely used engine type in modern commercial aviation and are also used in many fighter aircraft. They offer excellent fuel efficiency and noise reduction compared to pure turbojets. Most modern airliners use high-bypass turbofan engines, and many military aircraft also use low-bypass turbofans or afterburning turbofans.