The boys,     with this frightening person, lost their tongues.

A．to face

B．having faced

C．faced

D．facing

不利于封建土地所有制形成的是

A．“相地而衰征”

B．“为田开阡陌封疆”

C．“初税亩”

D．“溥天之下，莫非王土”