Interlanguage is defined as?

• A. The final, error-free product of L2 learners
• B. The transitional and developmental language that has many errors as learner develops knowledge of L2. For example, grammar and syntax errors due to contrasts between L1 & L2.
• C. A phonetic system of a language
• D. The set of language rules in the L1 that transfer to L2

Answer: (B)