Which detail in the cyclists' dialogue refines the idea that they might be related? Select the correct text in the passage.
(19) "This is confusing," he remarked in a tone of argument. "Let's sit down and have a pipe over it--we shall have to differentiate ourselves before we start out into the world together."...
(20) "Let's differentiate our names somehow," said the pleasant-voiced one lazily--"Did your godfathers, etc., do anything more for you than Edward--mine didn't. "
(22) "That's awkward--we shall be driven to abbreviations. Well, Ted, since you are twenty-seven and I'm gone twenty-nine, and my father died before I was born, we can't be complicated up as long--lost brothers--can we?"