It is common knowledge(A) that solar heating for a large office (B) building is technically(C) different from a single-family home (D)

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

It is common knowledge(A) that solar heating for a large office (B) building is technically(C) different from a single-family home (D)

It is common knowledge(A) that solar heating for a large office (B) building is technically(C) different from a single-family home (D)

• A. common knowledge
• B. large office
• C. technically
• D. from a single-family home