Read the passage. look at the underlined section marked number (25). there may be a mistake in the way the sentence is written. if you find a mistake, choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’ a) correct as is. b) its roots ran in three directions: heaven, the frost giants’ home and to the under-world, beneath the earth. c) its roots ran in three directions: to heaven, to the frost giants’ home and to the under-world, beneath the earth. d) its roots ran in three directions: to heaven, to the frost giants’ home and upon the under-world, beneath the earth.