The trade fair is designed to facilitate further cooperation between Chinese auto industri

The trade fair is designed to facilitate further cooperation between Chinese auto industries and overseas auto industries.

A．promote

B．protect

C．preserve

D．prolong

正确答案：A
解析：句意：本次交易会旨在促进中国汽车行业和海外汽车行业的进一步合作。promote促进，提升；protect保护；preserve维持，维护；prolong延长，拖延。