下列有关蘑菇的说法中错误的是（　　）

A．能产生孢子

B．没有细胞核

C．细胞内无叶绿体

D．多细胞真菌

Excuse me, Miss Wang, a man named Robert from the Bank of Construction ____ all morning.

Could you speak to him now? [ ]

A. phones

B. has phoned

C. has been phoning

D. was phoning