【单选题】

The reservoir pressure relief valve opens between 85 and 90 psi to protect the reservoir against over-pressurization.

A、油箱释压活门在85-90psi之间打开以保护油箱不会超压。
B、为保护管路不会超压, 释压活门在85-90psi之间打开。
C、选择活门在85-90psi之间打开以保护油箱正常工作。