![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
It can be inferred from the passage that Bob Jeffrey______.
A.
has spent most of his advertising career in J. Walter Thompson
B.
became president for North American operations of Thompson five years ago
C.
is facing serious challenges to promote Thompson' s business to a higher level
D.
will be conservative in his future measures to satisfy such youngsters as Generation Y