Complete the following paragraph by filling in the blanks with the help of the given options :
When we read (a) __ a happy person we smile, (b) __ if the character (c) __ *****, we (d) __ .
(a) (i) *** (ii) about (iii) form (iv) on
(b) (i) as (ii) because (iii) whereas (iv) when
(c) (i) is (ii) became (iii) are (iv) am
(d) (i) frown (ii) frowns (iii) frowned (iv) frowning
