---A stranger gave me an umbrella when I was caught in the rain.

---________.

A．First impression is half the battle

B．A friend without faults will never be found

C．There is kindness to be found everywhere

D．Two heads are better than one

细菌性痢疾的病变部位主要是

A．乙状结肠、直肠

B．空肠

C．回肠

D．十二指肠

E．以上都不是