Read the following article and answer the question by choosing from the options.

When I noticed the inconsistency , I ferreted out a few lines of coding that did n't belong . It seems that someone tried to bug my system . " Tenten was silent for a moment as Jiraiya and Tsunade watched the feed with new eyes .

Why was Tenten silent for a moment ?
OPTIONS: -He was bored .; -None of the above choices .; -He was sleeping .; -He was concentrating .;...A:
He was concentrating .