Can we draw the following hypothesis from the context (see options)?

Context:

Olson, 62, previously worked as a partner at Ernst & Young LLP, as a Minnesota bank president and as a congressional aide, before joining the Fed board in 2001, to serve a term ending in 2010.

Hypothesis: Olson served from 2002 til 2010
Choices:
a). Yes
b). It's impossible to say
c). No
c).