Why were kamikazes so frightening? a. the pilots flew alone and only attacked small ships. b. the pilots flew heavy bombers in large formations that were hard to attack. c. the planes carried bombs that exploded when the pilots crashed into targets. d. using light planes them escape quickly after an attack?

  C. The planes carried bombs that exploded when the pilots crashed into targets.

Explanation:

  They were part of Japanese Special Attacks  Units from the military aviators. The attacks consisted of missions against Allied naval vessels to destroy more effectively the warships than with conventional air attacks. In order to achieve this, the pilots converted their planes into a flying bomb and crashed themselves into the ships.

  I hope this answer helps you.