Guillermo Feels Compelled to Alternate Between E-Mailing,updating His Twitter Status,and

Multiple Choice

Guillermo feels compelled to alternate between e-mailing,updating his Twitter status,and using his smartphone to conduct work.He often feels an adrenaline rush and his muscles tense when he is notified of incoming messages or calls.Concentration feels more difficult than in the past.Guillermo's stress is likely a result of

A) ​long and irregular hours.
B) ​work transitions.
C) ​technological multitasking.
D) ​workstation ergonomics.