Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word that best fits each of the numbered blanks from 41 to 45.

A Worthwhile Challenge

Most people agree that learning to play a musical instrument is one of the most worthwhile things they have ever done but also one of the hardest. (41) _____ children are very enthusiastic when they first take up an instrument, but don’t realize how much practice will be involved. Sadly, they quickly start to lose interest as they find the technical skill increasingly difficult. If they feel they are not (42) _____ enough progress, young people often give up having lessons after two or three years. But those people (43) _____ have enough talent and determination and are willing to make efforts to reach a reasonable standard, can feel a strong sense of achievement.

Apart from (44) _____ a lifelong hobby and a valuable skill, playing an instrument for pleasure is beneficial in less obvious ways too. This is an effective way of reducing stress (45) _____ your brain is completely focused on the music, which means worrying about anything else is impossible.