【单选题】'With two friends I started a journey to Greece, the most horrendous of all journeys. It had all the details of a nightmare: barefoot walking in rough roads, risking death in the dark, police dogs hun...
A.
the extreme poverty of his country
B.
the terrible picture of illegal migration
C.
the strong desire of poor people to leave for rich countries
D.
the difficulty in a long cross-border journey