Complex sentence: V "Prefer" presents the "I" of the poem (unusual in itself) as being of two minds (that cliché again) about the blackbird's "inflections" and the silent "innuendoes" following.
Split into simpler sentences: V "Prefer" introduces the "I" into the poem (unusual in itself). He is of two minds (that cliché again) about the blackbird's "inflections" and the silent "innuendoes" following.