One day last November, Tom Baker stopped out of his house into the morning light and headed across the rice fields toward the bank of the Rapti River. Tom, a 32-year-old school teacher in the farming village of Madanpur, was going for his morning bath.
As he approached(走近) the river, the head of a tiger(老虎) suddenly appeared over the edge of the river bank. Before he could turn to run, the tiger was upon him. It jumped on his shoulder and threw him to the ground, its huge jaws attacked his head in a killing bite.
Peter Smith was also on his way to the river and saw the attack. He screamed. The tiger lifted its head and roared(吼叫) at him. Peter ran.
From the window of his house John Brown heard the tiger roar and ran out to see it attacking a man. He screamed, too, and all the villagers ran out shouting as the tiger dropped its victim(牺牲品) and ran off. When the villagers reached the river bank, Tom was already dead.
For the villagers, the horror of the incident intensified(加剧) by the tales of man-eating tigers that has once run around in the countryside, killing hundreds.
How many people saw the tiger before it was driven off?
A One person.       B. Two persons.       C. Three persons.      D. Four persons.
The reason why the tiger attacked the man was     .

A．it was hungry	B．it was angry
C．it was frightened by the man	D．not mentioned in the passage

When did the attack take place?

A．Early in the morning	B．At noon
C．Late in the afternoon	D．At five before dark

According to the passage, the underlined word screamed in the third paragraph    probably means ____.

A．gave a sharp cry because of fear.	B．shouted out for help.
C．made some loud noise.	D．cried out in pain.