It worried her a bit _____her hair was turning gray.

   A. while   B. if     C. that  D. for

 It worried her a bit ________her hair was turning gray.

   A. while                       B. if                         C. that                 D. for

It worried her a bit ________ her hair was turning gray.

A. while

B. that

C. if

D. whether

A. while

B. that

C. if

D. whether

It worried her a bit_____ her hair was turning gray. (NMET)
    A.while       B.that         C.if        D.for