题目选项分析

Foraging at all times of the day and night, but interspersing their feeding with periods of rest that last between one and eight hours, sperm whales can eat as much as a ton of squid a day.

Foraging at all times of the day and night, but interspersing their feeding with periods of rest that last between one and eight hours, a sperm whale could eat so much as a ton of squid a day.