单项选择题
根据以下材料，回答15-34题
He works ten hours a day，makes more thanUS $98000a year，doesn´t 15 to take holidays，dresses 16 he pleases.He´s 17 been happier and is looking foranother job.This 33-year-old white，university-educated person is the typical Internetworker，according to a study by the Industry Standard，a San Francisco-basednews magazine.
There is also a reasonable chance that hisemployer will arrange his dry cleaning，18 him to 19 his dog to work，offer him fleemassages and give him stock options.And he still thinks people in other 20 are doing 21.
The typical worker，it appears，not onlyenjoys an income about 22 the national average but also enjoys himself.At present 2.5million people 23 by Internet firms in the US，The 24 ofthe study give plenty of reasons 25 so many people think the grass isgreener in Silicon Valley.
26 after tech-stoeks sharply 27 in April，28 many start-ups，there is still mood of enthusiasmand special advantage among those still employed.So what 29 52percent of them "veryhappy"？"Demandingwork"is given as the main reason and "salary"is 30 close 31.
Those questioned in the study also listedworking weekends and 32 holidays as signs of the pleasure of theworkplaces.
Only 13percent were paid for 33 hours work while 14percent put more than 12hours work on an average day."It wasn´t all about 34."wrote Mary Ann Thompson in theintroduction to the study，"It was fun."
A.job
B.money
C.enthusiasm
D.time