Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

One concern when screening for stocks with low price-to-earnings ratios is that companies with low P/Es may be financially weak. What criterion might an analyst include to avoid inadvertently selecting weak companies?
Option A:Net income less than zero
Option B:Debt-to-total assets ratio below a certain cutoff point
Option C:Current-year sales growth lower than prior-year sales growth

Answer: B