The Problem with Timing Strategies Is That

The problem with timing strategies is that

A) small investors are often unable to get in or out of the market when they want to due to institutional control.
B) the window of opportunity for capitalizing on any new information on a company is fairly small.
C) the window of opportunity for capitalizing on any new information on a company is too large.
D) transaction costs will outweigh the profits from day trading.