Select the correct text in the passage.
Which detail in the cyclists' dialogue refines the idea that they might be related?
(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."
(21) The other shook his head. Something in his handsome face had already differentiated itself from the amused curiosity
on his companion's.
(22) "That's awkward-we shall be driven to abbreviations. You shall be Ted, and I Ned-both dentals but philologically
uninterchangeable; so they'll do for the present. 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?"
(23) Ted turned to him frowning sharply-"No! but-but what put that into your head. I----"