JQuery, Web Development

Question: Which of the following will show an alert containing the content(s) of a database selection?
A$.ajax({
type: "GET", 
url: "process_file.php?comp_id="+comp_id, 
success: function (result) { 
 alert(result); 
 } 
});

B$.ajax({ 
type: "GET", 
success: function (result) { 
alert(result); 
} 
});

C$.ajax({ 
type: "GET", 
url: "process_file.php?comp_id="+comp_id, 
error: function (result) { alert(result); 
} 
});

D$.ajax({ 
type: "GET", 
url: "process_file.php?comp_id="+comp_id, 
Complete: function (result) { 
alert(result); 
} 
});

Note: Not available

Question: Which of the following will show an alert containing the content(s) of a database selection?

Question: How can an Ajax request that has not yet received a response be canceled or aborted?