[求助]請教兩道語法題

wisely

1.The study of mental states and their effect on health, as expresed through the functions of the immune system, _______ psychoimmunology.
(A) refferring to
(B) refers to as
(C) is referred to
(D) is referred to as

2.The Earth has internal magnetism _______ would result from a particular bar magnet at the center of the Earth.
(A) that similar to which
(B) which that similar to
(C) to similar which that
(D) similar to that which

Answer: (1) D ; (2) D
第一題我選c ; 第二題我選a
能否指導一下   謝謝

czw69

No.1, the study is referred to as psychoimmunology. 被动

         refer to the study as psychoimmunology.主动

No.2 similar to that which; that  指代magnetism; which 引导定语从句, 修饰that.

wisely

嗯嗯
瞭解了   感謝大恩