Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
6.  COTTON : BALE
A. butter : churn
B. wine : ferment
C. grain : shock
D. curd : cheese

7.  ELEPHANT : PACHYDERM
A. mantis : rodent
B. poodle : feline
C. kangaroo : marsupial
D. zebra : horse

8.  PSYCHOLOGIST : NEUROSIS
A. ophthalmologist : cataract
B. dermatologist : fracture
C. infant : pediatrician
D. rash : orthopedist

9.  PASTORAL : RURAL
A. metropolitan : urban
B. harvest : autumn
C. agrarian : benevolent
D. sleepy : nocturnal

10.  TAILOR : SUIT
A. scheme : agent
B. edit : manuscript
C. revise : writer
D. mention : opinion