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.

John Martinez is assessing the performance of the actively managed diversified asset portfolio. The diversified asset portfolio is invested in equities, bonds, and real estate, and allocations to these asset classes and to the holdings within them are unconstrained.Selected return and financial data for the portfolio for 2019 are presented in Exhibit 1.
| Exhibit 1Diversified Asset Portfolio 2019 Portfolio PerformanceSub-PortfolioBenchmarkPortfolioStrategic Asset |
| Return(%) | Return(%) | Allocation(%) | Allocation(%) |
| Equities | 36.9 | 31.6 | 63 | 60 |
| sub-portfolio |
| Bond | -2.4 | -2.6 | 28 | 35 |
| sub-portfolio |
| Realestate | 33.4 | 28.3 | 9 | 5 |
| sub-portfolio |


Martinez uses several risk-adjusted return metrics to assess the performance of the diversified asset portfolio, including the information ratio and the Sharpe ratio. Selected risk, return, and statistical data for the portfolio are presented in Exhibit 2.
| Exhibit 2 | Diversified Asset Portfolio Data， 2000-2019 |
| Transfer Coefficient(TC) | InformationCoefficient(IC) | Breadth(BR) |
| Equities | 0.90 | 0.091 | 21 |
| sub-portfolio |
| Bond | 0.79 | 0.087 | 23 |
| sub-portfolio |
| Realestatesub-portfolio | 0.86 | 0.093 | 19 |


Martinez has recently hired Kenneth Singh to help him evaluate portfolios. Martinez asks Singh about the possible effects on the portfolio's information ratio if cash were added to the diversified asset portfolio or if the aggressiveness of the portfolio's active weights were increased. Singh responds with two statements:Statement 1: Adding cash to the portfolio would change the portfolio's information ratio.Statement 2: Increasing the aggressiveness of active weights would not change the portfolio's information ratio.
Based on Exhibit 1, the value added to the diversified asset portfolio attributable to the security selection decision in 2019 was closest to:
Option A:2.3%.
Option B:3.9%.
Option C:6.1%.

Answer: B