I have problems to see the mistakes in this SC. Please help!
I think that B is the answer
Constructed at least as early as the Sui dynasty (A.D, 581-618), the Altar
of Heaven is the oldest known altar used in Chinese state religious practice,
more than 1,000 years older than a similar one in Beijing, it is the only altar
found so far that predates the Qing dynasty (A.D. 1644-1912).
A. Constructed at least as early as the Sui dynasty (A.D. 581-618), the Altar of Heaven is the oldest known altar used in Chinese state religious practice, more than 1,000 years older than a similar one in Beijing, it is
B. Constructed at least as early as the Sui dynasty (A.D. 581-618), the Altar of
Heaven, the oldest known altar used in Chinese state religious practice, is more
than 1,000 years older than a similar one in Beijing and is
C. The Altar of Heaven, having been constructed at least as early as the Sui dynasty (A.D. 581-618) and the oldest known altar used in Chinese state religious practice, is more than 1,000 years older than a similar one in Beijing and
D. The Altar of Heaven, which was constructed at least as early as the Sui dynasty
(A.D. 581-618) and is the oldest known altar used in Chinese state religious
practice, more than 1,000 years older than a similar one in Beijing and is
E. The oldest known altar used in Chinese state religious practice, more than 1,000
years older than a similar one in Beijing, the Altar of Heaven, which was
constructed at least as early as the Sui dynasty (A.D. 581-618) and is