The progress of these plants (1)/ has not been very encouraging (2)/ and they are in various stage of decay (3)/ No error (4)

The progress of these plants (1)/ has not been very encouraging (2)/ a

1.	The progress of these plants (1)/ has not been very encouraging (2)/ and they are in various stage of decay (3)/ No error (4)
A.	1
B.	2
C.	3
D.	4
E.
Answer» D. 4