—Where’s your mother, Helen?

—She _______ the flowers in the garden．

A．waters        B．watered        C．is watering              D．has watered

--Where's your mother, Helen?

--She              the flowers in the garden．

A．waters               B．watered            C．is watering         D．has watered

 —Where's your mother, Helen?

—She_________ the flowers in the garden.