Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage

 Hobbies are activities in which one (1) …………strictly entertainment. They help one to maintain a mental and emotional balance. A hobby can be almost anything. Music is most popular. For example, many people all over the world play piano simply for (2) …………and fun in their free hours, and they do not play (3) …………

 Sports provide other (4) …………hobbies. Bicycling, running, tennis, ping-pong, and countless other sports are (5) …………by millions of people during their leisure time.

Hobbies are activities in which one (1) …………strictly entertainment.