请问为什么不选B？

问题如下：

Exhibit 2 depicts XYZ Co. ordinary shares, traded on the London Stock Exchange, in British pence.

Based on Exhibit2, Barclays appears to show resistance at a level nearest to:

选项：

A.

50p.

B.

275p.

C.

390p.

解释：

C is correct. As shown in the following chart, XYZ Co. shares traded up to 390p on three occasions, each several weeks apart, and declined thereafter each time.