(IMED - 2015)
Mark Twain (1835-1910), 1____ real name was Samuel Langhorne Clemens, was the first writer of importance born west of the Mississipi River. His novels, short stories, essays, and lectures vividly portray the life of the American era in which he lived. Probably the most striking element of his writings is its 2down-to-earth, honest humor.
(Source: Lado,R. (1973). English Series, vol. 6. Regents Publishers, New York, p.268)
O pronome relativo que preenche corretamente a lacuna na referência 1 é:
that
which
whose
what
whom