【答案】---Mother often warned Peter not to play on his phone in the street, but her warning fell on deaf ea

---Mother often warned Peter not to play on his phone in the street, but her warning fell on deaf ears.

---Unfortunately, Peter was hit by a car and sent to hospital yesterday.

A. was heard B. was agreed C. was not noticed

【答案】

C

【解析】

句意：——妈妈经常警告彼得不要在街上玩手机，但她的警告却未被听取。——不幸的是，彼得昨天被车撞了，被送往医院。A. was heard被听到；B. was agreed被同意；C. was not noticed不被注意。根据句意：妈妈经常警告彼得不要在街上玩手机，但她的警告却未被听取，可知fell on deaf ears意思是“未被听取、不受注意、不被理睬”，结合选项可知与was not noticed“不被注意”意思相近，故答案选C。