The Reason That the Onion Has Become a Common Metaphor

Multiple Choice

The reason that the onion has become a common metaphor for how relationships develop is that relationships, like a halved onion, have ______ (how personal is the shared information) and _____ (the number of topics that can safely be discussed) .

A) breadth/depth
B) depth/breadth
C) layers/skin
D) skin/layers
E) tears/benefits