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

Context:

MOGADISHU (Reuters) – The death toll from two bomb attacks that tore through busy junctions in the heart of Somalia’s capital Mogadishu has risen to 85, making it one of the deadliest attacks in the country since Islamist militants launched an insurgency in 2007. Read Full Story

Hypothesis: Islamist militants started their insurgency in 2007
Choices:
a). Yes;
b). It's impossible to say;
c). No;
a).