What is the reason for inserting commas into this sentence?
Harriet Tubman escaped along the Underground Railroad, a network of abolition supporters, and made her way toward freedom.
A. Commas in a series
B. Introductory commas
C. Commas of direct address
D. Appositive commas
E. Comma splice

Random Topics:
So - Too - Either - NeitherVerbs with Prepositions and ConjunctionsMoods of GrammarDescribing WordsGrammar, Literature, and VocabularyGerundsPrepositions and AdverbsWish + Verb 2Take or PutPast Simple (Questions)Other quiz:
Mixed General Quiz › ViewSelect the meaning of the underlined word in the sentence.
The prescription called for administration of hte medication q.i.d.
A. Once daily
B. Four times a day
C. Every 8 hours
D. At bedtime
Conditional Clause › View
if you …. a good job, you would have a good life.
A. has
B. have
C. had
D. having
Grammar › ViewWhile my father … (wash) the car I … (do) my homework.
A. was washing / was doing
B. washed / did
C. washed / was doing
D. was washing / did
Perfect Tenses › View
Deenie and Yun Yun __________ their new song.
A. have been produced
B. have been producing
C. has been produced
D. has been producing
