Her sudden apathy <span>surprised and confused her teachers and friends.</span>
It would be inductive because it is based on the reasoning that "most other guys like it therefore you being a guy will like it also"
The answer is D: A magazine article describing how people's lives have been improved by products developed as a result of the space program.
The most compelling piece of evidence is to show —like the article of the magazine does, which would have to be founded on evidence that could be corroborated— how and in what sense the lives of human beings have been improved by space exploration and showing, also, that these benefits outweigh the cost of space exploration.
1d) was designed (long time ago so past tense)
2d) Has been repaired (It is still going on the present, this year)
3c) Had discovered (He discovered America long time ago)
4a) To have worked (worked long ago when he was young)
Hope it helps!
To focus the research by identifying the what,who,why,and how
