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

Context:

However, witnesses said some of the black-clad gunmen who attacked a police station and government buildings in Baquba, 60 km (40 miles) northwest of Baghdad, proclaimed loyalty to Zarqawi and wore yellow headbands linking them to his group.

Hypothesis: people said the black clad gunman who attacked  and killed police  were following  ZArqawi from baghdad
Choose from:
[A]. Yes;
[B]. It's impossible to say;
[C]. No;
[B].