True Gilbert and Sullivan fans, the Savoyards, used to prefer the productions ... ...

True Gilbert and Sullivan fans, the Savoyards,
used to
A
prefer the productions of the D’Oyly Carte Company because the
group’s
B
productions were
polished,
C
insightful, and
showed discipline.
D
No Error
E

(A)
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 05. Parallelism