【题目】Determining where we are _________our surroundings remains an essential skill for our survival.
A.in contrast to
B.in defense of
C.in face of
D.in relation to

【答案】D
【解析】句意：根据周围的环境辨别方位仍然是我们生存的一项极其重要的技能。A.in contrast to对比，截然不同；B.in defense of为......辩护；C.in face of面对；D.in relation to与......有关。故选D。