The dual-system hypothesis suggests that the bilingual's two ...

[audie]

The dual-system hypothesis suggests that the bilingual's two languages ____.
 
  a. serve a dual function, one cognitive and another practical
 b. progress toward greater fluency in a reciprocal and mutual manner
  c. are represented in separate cognitive systems
 d. lead to the development of two systems of thought

Question 2

The single-system hypothesis suggests that the bilingual's two languages ____.
 
  a. serve a single function with a facilitative effect on cognition
  b. are represented in a unified cognitive system
 c. progress toward greater fluency in a unitary manner
 d. lead to the development of a single system of thought

[Harbringer]

Answer to Question 1

c

Answer to Question 2

b

[audie]

TYSM

[kjohnson]

Thanks for the timely response, appreciate it