Which of the Following Conditions Tend to Cause Laminar Flow

Multiple Choice

Which of the following conditions tend to cause laminar flow to become turbulent (producing a high Reynold's number) ?
I.high linear gas velocity
II.high gas density
III.low gas viscosity
IV.large tube diameter

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