A technology company will standardize the internet connection speed it offers to its customers in ten cities. The company's management decides that its new reference speed standard will be the median of the reference speed values of connections in these ten cities. These values, in megabytes per second (MB/s), are presented in the table.
| Cities | Reference speed (MB/s) |
| C1 | 390 |
| C2 | 380 |
| C3 | 320 |
| C4 | 390 |
| C5 | 340 |
| C6 | 380 |
| C7 | 390 |
| C8 | 400 |
| C9 | 350 |
| C10 | 360 |
The reference speed, in megabytes per second, to be adopted by this company is
(A) 360.
(B) 370.
(C) 380.
(D) 390.
(E) 400.