The photograph best supports which detail from into the
Unknown by Stewart Ross?
A. David Livingstone made the first recorded east-west
journey across Africa.
B. David Livingstone was the first Westerner to see Victoria
Falls, which he named after Queen Victoria.
C. The Zambezi River turned out to be shallower than
David Livingstone had anticipated.
D. The crew faced many challenges such as extreme heat,
malaria, and cockroaches.