Whatdoestheterm“behavior”inthesecondparagraphespeciallyrefertointhispassage?

A.Itreferstoobservableandphysicalmovementsandacts

B.Itreferstothepartoflanguagebehaviorthatinvolvesunderstandingorinterpretation

C.Itreferstoboththeovertandtheunobservablelanguagebehaviorsincommunicating

D.Itreferstoactsofspeakingandwriting

正确答案：Itreferstoboththeovertandtheunobservablelanguagebehaviorsincommunicating