Nhận biết (M1)

When a seed is ready to sprout, its hard outer covering (called a seed coat) absorbs water and splits open. Then, a root begins to grow downward into the soil, and the first shoot starts ______ upward.

Which choice completes the text so that it conforms to the conventions of Standard English?

• A.

  had grown

• B.

  to grow

• C.

  has grown

• D.

  grows