John Travels Frequently to Distant Parts of the Globe

John travels frequently to distant parts of the globe.He believes that adjusting his mealtimes to the destination time zone is helpful in dealing with jet lag.After studying the material in your textbook,you tell John that

A) he's wasting his time,as adjusting his mealtimes will have little if any effect on jet lag.
B) he should expect some benefits,as his suprachiasmatic nucleus (SCN) is very responsive to changes in physical activity and feeding patterns.
C) he should expect some benefits,as his peripheral clocks should respond to changes in physical activity and feeding patterns.
D) this is a highly effective strategy,because both his SCN and peripheral clocks are highly sensitive to changes in physical activity and feeding patterns.