Question

Which sentence does not contain any errors in comma usage?



A.
The inventor gathered bark and rags and then he or she made a pulp.


B.
The Chinese kept the formula to themselves, but, in 751 the Arabs learned the Chinese secret.


C.
A paper mill eventually opened in Spain and, the art of making paper spread from there.


D.
Some papermakers used rags, and others used animal hides.

Answer 1

c

Answer 2

d

Answer 3

C

Answer 4

it's not d, there is no need for a comma

Answer 5

yes your right.. sorry i was right the first time

Answer 6

np

Answer 7

can some1 plz answer my ques??