In the command foo < bar | foobar, which ONE of the following statements is correct?

A.
the stdout from the command foobar is saved to the file foo.

B.
the stdout from the command foo is saved to the file foobar.

C.
the command foobar receives its stdin from the stderr of foo.

D.
the command foobar receives its stdin from the stdout of foo.

E.
the command bar receives its stdin from the contents of the file foobar.