Which of these sentences uses a voice and style most suitable for fifth-grade American students?
AIt seems proper that I should prefix to the following biographical sketch some mention of the reasons which have made me think it desirable that I should leave behind me such a memorial of so uneventful a life as mine.
BI should mention why I want to leave behind a record of my uneventful life.
CIt seems to me that it is proper to mention the reasons for sketching my uneventful life and leaving behind its memorial.
DThat I should leave behind such a memorial of my uneventful life requires reasons for my doing so and I should mention those.
AIt seems proper that I should prefix to the following biographical sketch some mention of the reasons which have made me think it desirable that I should leave behind me such a memorial of so uneventful a life as mine.
BI should mention why I want to leave behind a record of my uneventful life.
CIt seems to me that it is proper to mention the reasons for sketching my uneventful life and leaving behind its memorial.
DThat I should leave behind such a memorial of my uneventful life requires reasons for my doing so and I should mention those.