Which of the following sentences contains no antecedent?

a.
his shirt matched the color of her skirt.

b.
the players’ happiness showed on their faces.

c.
the scouts made their camp away from the river.

d.
norm and his family went on their vacation.

an old person

explanation:

- "there are several movements that doris lessing was associated with. first of all, communism. she pursued her communist beliefs and included them in her writing, and was also a member of several communist book clubs. she is also strongly associated with feminism, her fight for equality and women's rights.

doris lessing is the kind of writer who has followers, not just readers. they have been engaged to her chiefly because of her involvement in major problems, such as politics and woman-ism."