Answer:
C. River birch and upland beech
Step-by-step explanation:
Consonance is described as the recurrence of consonants sounds that are alike at the end of accentuated syllables that normally are not followed with the same vowels (as in blank and think). Sometimes they are used together in phrases, sentences or verses to create specific effects.
In the option D. the consonance is the "ch" in "River birch and upland beech".