According to Churchill, how was Britain's position in the war changed since the war started?

A. it has improved because the house of commons has agreed to use all air force capabilities to fight the Germans.
B. it has improved because the secret intelligence agency has intercepted valuable German war strategies
C. it has worsened because the French army is depleted and can no longer fight
D. it has worsened because Germany have overtaken smaller countries, which hinders Britain's air power

i think its either b or d. thank you for the help!