This isn't Arts it's writing, but the answer is: It is an incomplete sentence because there is no subject to go with the predicate.
During the classical period, public concerts were frequently held in <span>B. theaters or halls normally used for other purposes.
These theaters and halls were used for the purpose of plays mostly, but they were repurposed at the time to include musical exhibitions as well. The other options are incorrect because they do not represent the locations where public concerts were held. </span><span /><span>
</span>
The answer to this question is (1) Edgar Degas; (2) chalk
so D. would be the correct one.
The steel drum is believed to be the only non-electronic, acoustic musical instrument invented in the 20th century.
