Narwhals can be called whales of ice: in icy channels, pouds and ice-shielded bays they seek sanctuary from killer whales, their chief predator, and their annual migrations following the seasnal rhythm of advancing and retreating ice.
A. their annual migrations following
B. their annual migrations which follow
C. their annual migrations follow
D. whose annual migrations following
E. whose annual migrations follow
C is the correct answer, however, my doubt is that since "their" is possessive form, how can "their" be used with "Narwhals", which is straight and not in possessive form.
A. their annual migrations following
B. their annual migrations which follow
C. their annual migrations follow
D. whose annual migrations following
E. whose annual migrations follow
C is the correct answer, however, my doubt is that since "their" is possessive form, how can "their" be used with "Narwhals", which is straight and not in possessive form.