Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.

A.makes no change at all

B.is somewhat lower than it would be for winds from a northern quadrant

C.is uncertain and may fluctuate by increasing and decreasing

D.is somewhat higher than it would be for winds from the northern quadrant

（）是指在一条双绞电缆链路在，某侧的发送线对向同侧其他线对向同侧其他线对通过电磁感应造成的信号耦合，它是决定链路（）的最重要的参数。