The topics of a travel journal can be different from a diary, often
people, things, and events the readers.
A. including…less familiar with
B. included…familiar to
C. including…less familiar to
D. including… less familiar than
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A. including…less familiar with
B. included…familiar to
(答案→)C. including…less familiar to
D. including… less familiar than
解析：考查非谓语动词及短语。including + 名词或代词；名词或代词 + included“包括……”；sth be familiar to sb……对某人熟悉，根据句意选C。