Evidence came up _______ specific speech sounds are recognized by babies as young as 6 months old.

A. what B. which?

C. whose D. that?

Evidence came up ________ specific speech sounds are recognized by babies as young as 6 months old.

Evidence came up ________ specific speech sounds are recognized by babies as young as 6 months old.

A．what             B．which            C．that              D．whose

Evidence came up ________ specific speech sounds are recognized by babies as young as 6 months old.

1. A.
   what
2. B.
   which
3. C.
   that
4. D.
   whose

Evidence came up _____ specific speech sounds are recognized by babies as young as 6 months old.

A. what   B. which C. that     D. whose