Help it don’t let me click what do I do

Which of the following terms refers to a collection of different types of software that share the goal of infiltrating a computer and making it do something? a- malware b- virus c- spyware d- trojan horse

Someone plzz me which of these defines a social search? a. asking a search engine a question that is answered by a real person on the other sideb. modifying search results based on popularity of a web pagec.modifying search results based on a ranking of a web page

1. how do you view the edited document without the track changes markup? a. select accept all changes in document in the accept drop-down menu.b. click on restrict editing in the protect group.c. click on the reviewing pane drop-down menu in the tracking group.d. click on final in the display for review drop-down menu.