Which underlined verb in the sentence is a linking verb? 
 I __heard__ that Jamal __will be__ the coach of the baseball team because he __has been coaching__ for many years and __knows__ the game.
 A.
 knows
 B.
 has been coaching
 C.
 will be
 D.
 heard
 The ones with underscores beside them are the ones supposed to be underlined.