The passage presents specific details, and comparing them with the choices confirms that "仕事のやり方や社会人としてのマナー。" is the only accurate representation of the text. This is directly supported by the sentence "この研修では、仕事のやり方だけでなく、名刺の渡し方や電話の受け方など、社会人としてのマナーも学びます". To solve info-retrieval or detail-oriented questions, scanning for keywords from the question and mapping them to the options is key. The other choices, such as "会社の歴史と社長の趣味。" and "お茶の淹れ方や掃除の仕方だけ。", introduce incorrect facts or make assumptions unsupported by the passage.