Read the following paragraph and determine if the hypothesis is true:

Second Lieutenant Arthur Rex Hurden Noss {'1': ", '2': ", '3': ", '4': "} (22 January 1897 15 September 1917) was a British World War I flying ace credited with nine aerial victories. He won a Military Cross as Keith Park's gunner, and was killed in a flying accident shortly thereafter.

OPTIONS:
A). Yes.
B). It's impossible to say.
C). No.
Hypothesis: At least 9 opponents lost to Second Lieutenant Arthur Rex Hurden Noss in an air battle.
A).