500
葉山先生は電話を受け取る際、ジョークを交えて芸能人の名前をよく名乗ります。ところが、大事な電話にもかかわらず、ある芸能人の名前を名乗って気まずくなったことがあります。さて誰と名乗ったでしょう?
When Hayama-sensei answers his phone, he would answer with various celebrities' names as a joke. However, he got into an awkward moment when he answered to an important phone call using this celebrity's name. Whose name did he use?
A.岡田准一
Junichi Okada (Japanese Pop Star)