Can someone help me answer this please!

While doing your research, all of the following would be good secondary sources to use to develop a general overview about the vietnam war, except: a. the encyclopedia britannica b. an interview with a veteran of the war c. a textbook on the history of the 20th century d. an online resource such as ‘wikipedia.org’ or ‘’

Read the excerpt from act iii of the importance of being earnest. jack. [in a pathetic voice.] miss prism, more is restored to you than this hand-bag. i was the baby you placed in it. miss prism. [amazed.] you? jack. [embracing her.] yes . . mother! miss prism. [recoiling in indignant astonishment.] mr. worthing! i am unmarried! jack. unmarried! i do not deny that is a serious blow. but after all, who has the right to cast a stone against one who has suffered? cannot repentance wipe out an act of folly? why should there be one law for men, and another for women? mother, i forgive you. [tries to embrace her again.] what is the best conclusion that can be drawn about jack, based on his words and actions in this excerpt? he has a tendency to be rude. he is inclined to show his emotions. he has a tendency to be gullible. he is inclined to be unresponsive.

This is a set of words that begins with a preposition.