Among bees _____ a highly elaborate form of communication. A. it occurs B. occurs

Đáp án B

Cấu trúc đảo ngữ: giới từ + thời gian/ nơi chốn + động từ chia theo chủ ngữ + S

-> Among bees occurs a highly elaborate form of communication.

= A highly elaborate form of communication occurs among bees.
= Among bees a highly elaborate form of communication occurs.