Which is a sentence fragment?

a.
a cold breeze whipped across the cliffs, and rain began to pelt the ground.

b.
the crowd gathered on a chilly morning, waiting for the 5k walk to begin.

c.
cows chomping on grass in the meadow below.

d.
even though she's a talented artist, she has decided to study business.

in the thematic approach, an interpreter relies on a central theme (i.e., a major point or message) to guide development of a communication activity or device. in presenting the activity or device, the thematic interpreter develops the theme in such a way that it will be highly relevant to an audience.

explanation:

b. both have yearned to escape the environment they experienced as a child.