I'm taking a test and have to guess the right answer to the question after the article. Article: A back injury led Briton Rose Oliver to t'ai chi, which led her to her husband and then took both of them to China. But three years after moving to Shanghai to pursue their dream, Oliver's husband died, leaving her alone to follow their shared passion for t'ai chi. Twenty years ago, Oliver's back injury ruined her childhood dream of becoming a ballet dancer. But the injury did lead her to t'ai chi, a martial art typically practiced in slow motion. Her initial hope was to improve her health. She later married her instructor, Rey Nelson, and founded a school with him, teaching the martial art to more than 10, 000 students over eight years. The 49-year-old recalls the injury that left her bedridden for six months when she was 21 years old and with constant pain for decades. "I was active and could not bear resting in bed," she recalls."But the soft tissue injuries were hard to heal. I thought I had to find some way to recover my health." Oliver saw a poster for a t'ai chi class and decided to try the"mysterious exotic sport". She was struck by the beautiful movements and the"nice, patient instructor -- Nelson". The couple later opened a t'ai chi school in the United Kingdom that attracted thousands of people. But they found themselves in a bottleneck. "It was not enough for us to improve ourselves when we just learned from t'ai chi masters for two or four weeks a year,"she says. So the couple moved to Shanghai. They taught English in universities and happily learned t'ai chi under various masters. After years of practice, Oliver found her occasional backaches had disappeared. In 2003, her husband's death brought her much pain. She thought of giving up, but considering the career in which her husband took pride, she stuck to it. She says her t'ai chi"family"-- the masters and students -- also provided a great support network. Her then tutor was Dong Bing and Dong died in 2009 at the age of 88. She speaks of their first meeting:"I had been told that his skill was of a very high level and for some reason I had a... Question: The true cause leading the couple to Shanghai was . Options: A: Nelson's strong insistence B: Oliver's severe back injury C: the limitation of practicing t'ai chi in England D: their interest in Chinese kung fu and tea
Answer:
C