What is the most likely result?

Given: What is the most likely result?

A.
size: 5, elements: 11 22 33 44

B.
size: 4, elements: 11 22 33 44 77

C.
size: 5, elements: 11 22 33 44 77

D.
a ConcurrentModification Exception is thrown

E.
size: 4, elements: 11 22 33 44

Explanation: