Select the letter-cluster that can replace the question mark (?) in the following series.TURBULENCE, XRBULENZ, ? , EULB, XI.

Select the letter-cluster that can replace the question mark (?) in th

1.	Select the letter-cluster that can replace the question mark (?) in the following series.TURBULENCE, XRBULENZ, ? , EULB, XI.
A.	VBLUEM
B.	VBLUEK
C.	UBULEM
D.	UBULEK
Answer» E.