Which of the Following Statements Are TRUE

Multiple Choice

Which of the following statements are TRUE?
I. There exist parsing algorithms for some programming languages whose complexities are less than O( n₃) .
II. A programming language which allows recursion can be implemented with static storage allocation.
III. No L-attributed definition can be evaluated in the framework of bottom-up parsing.
IV. Code improving transformations can be performed at both source language and intermediate code level.

A) I and II
B) I and IV
C) III and IV
D) I, III and IV