Read the following passage and choose the options among A, B, C or D that best complete the blanks. Write your answers on your answer sheet.

Stressful situations that (1)________ almost everyday in life seem to be unavoidable. However, we can do little sometimes to avoid a misfortune or an unpleasant occurrence which may (2)________ us unexpectedly as only it can. At such a moment, one may hit the (3)_______, give in to the helplessness of the situation or, ideally, put a brave face on it trying to (4)_________ the burden. Can you (5)_________ in your mind an hour spent in a traffic jam, say, this morning? Do you light one cigarette after another? Do you sound the horn every few seconds like the other neurotics? Or do you take a different (6)________ and make good use of the time drawing up a schedule for the days to come? To withstand the stressful moment you can also do a crossword puzzle, listen to your favorite music or even compose a menu for your Sunday dinner. In fact, whatever way you (7)________ to the annoying situation, you can exert no impact on it as the traffic jam will only reduce in due (8)_________. Nevertheless, your reaction might considerably influence your mood for the rest of the day. The inability to confront a stressful occurrence like that with a deal of composure and sensibility adds much more strain to your life and in this way puts your well – being in (9)_________. Surprisingly, it is seemingly negligible hardships we stumble on daily that run double the risk of developing serious health disorders rather than our isolated tragedies however painful they may be. (10)_______that so many of those wretched stresses and inducing troubles affect us in a day, we should, at best, try to avoid them or possibly make radical alterations in the way we lead our daily lifestyles.

The possessive “their” refers to ____________.