Which type of deformation is produced by compression of plastic crust? a. failure b. folds c. faults d. shear

The Answer to your question is (B) Folds. 

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under

The peak above is part of the  sierra madre occidentals ,  a chain of volcanic mountains that runs through the middle of central america.