123.She was less successful after she had emigrated to New York compared toher native Germany, photographer Lotte Jacobi neverthelessearned a small group of discerning admirers, and her photographs wereeventually exhibited in prestigious galleries across the United States.
A. She was less successful after she had emigrated to New York compared to
B. Being less successful after she had emigrated to New York as compared to
CLess successful after she emigrated to New York than she had been in
D. Although she was less successful after emigrating to New York when compared to
E. She had been less successful after emigrating to New York than in
答案C
OG对A为什么不对的解释中有一句是：a comma is insufficient to join two independent clauses into a single sentence.这怎么理解啊？
如果把A改为She was less successful after she had emigrated to New York than in这样句子对了吗？那这个逗号是不是就可以起到连接2个句子的作用了？
