To apply for the position of photographer at a local magazine, a photographer needs to include three or four photos in an envelope accompanying the application. If the photographer has pre-selected seven photos representative of her work, how many choices does she have to provide the photos for the magazine?
Choose the correct choice from the following options:  A) 54  B) 60  C) 64  D) 70  E) 75
7C3 + 7C4 = 35 + 35= 
<gadget id="calculator">35 + 35</gadget>
<output>70</output>
70   The answer is 70.
<result>D</result>
To apply for the position of photographer at a local magazine, a photographer needs to include three or four photos in an envelope accompanying the application. If the photographer has pre-selected seven photos representative of her work, how many choices does she have to provide the photos for the magazine?