The acquisition of the negative a. follows regular and ...

[audragclark]

The acquisition of the negative
 
  a. follows regular and predictable rules for all children learning English
  b. begins near the end of the second year
  c. is variable, reflecting a complex interaction of syntactic, semantic and input factors
  d. has not been studied sufficiently for researchers to formulate definitive hypotheses about its nature

Question 2

An example of a parameter in a language, according to Universal Grammar, is
 
  a. whether or not sentences require explicit subjects
  b. whether subjects and verbs agree
  c. whether sentences like I ate a banana can omit the verb
  d. whether or not sentences have a length limit

[frejo]

Answer to Question 1

c

Answer to Question 2

a

[audragclark]

Thanks for the timely response, appreciate it

[kilada]

Gracias!