Part 6: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
The children ________ by social networks are likely to suffer from depression and other health problems.
A.are obsessed      
B.obsessed                             
C.obsessing                
D.who obsessed

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Read the following passage and mark the letter A. B. C. or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
JARGON - THE UPSIDE
The reality is that everyone uses jargon. It is an essential part of the network of occupations and pursuits which make up society. All jobs have an element of jargon, which workers learn as they (25) ________their expertise. All hobbies require mastery of a jargon. Each society grouping has its jargon. The phenomenon turns (26) _____ to be universal and valuable. It is the jargon element, which, in a job, can promote economy and precision and thus help make life easier for the workers.
When we have learned to command it, jargon is something we readily take (27) ______ in whether the subject is motorcycling, baseball or computers. It can add pace, variety and humor to speech - as when, with an important event approaching, we might slip into the related jargon. We enjoy the mutual showing off which stems from a fluent use of terminology, we enjoy the in-jokes (28) _______ shared linguistic experience permits. (29) ________, we are jealous of this knowledge. We are quick to demean anyone who tries to be part our group without being prepared to take on its jargon. And we resent it when some other group, sensing our lack of linguistic awareness, refuses to let us in.
(28) ________
A.who       
B.which                      
C.what                       
D.why